{
  "type": "FeatureCollection",
  "features": [
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_VA_Dunex_18SVF2050_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.88405403642773,
              36.59219514648947
            ],
            [
              -75.88405403642773,
              36.59234591716298
            ],
            [
              -75.88316931148223,
              36.59234591716298
            ],
            [
              -75.88316931148223,
              36.59219514648947
            ],
            [
              -75.88405403642773,
              36.59219514648947
            ]
          ]
        ]
      },
      "bbox": [
        -75.88405403642773,
        36.59219514648947,
        -75.88316931148223,
        36.59234591716298
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:40.786030+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/va/2019_NCMP_VA_Dunex_18SVF2050_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_VA_Dunex_18SVF2050_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/va/2019_NCMP_VA_Dunex_18SVF2050_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            16,
            79
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            420921.5,
            0.0,
            -1.0,
            4050014.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 6.962,
                "maximum": 10.776,
                "mean": 9.161,
                "stddev": 0.961
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_VA_Dunex_18SVF2046_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.8842136528079,
              36.55981338576272
            ],
            [
              -75.8842136528079,
              36.56517773301955
            ],
            [
              -75.88280063189033,
              36.56517773301955
            ],
            [
              -75.88280063189033,
              36.55981338576272
            ],
            [
              -75.8842136528079,
              36.55981338576272
            ]
          ]
        ]
      },
      "bbox": [
        -75.8842136528079,
        36.55981338576272,
        -75.88280063189033,
        36.56517773301955
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:40.814779+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/va/2019_NCMP_VA_Dunex_18SVF2046_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_VA_Dunex_18SVF2046_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/va/2019_NCMP_VA_Dunex_18SVF2046_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            594,
            121
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            420879.5,
            0.0,
            -1.0,
            4047000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.202,
                "maximum": 1.27,
                "mean": 0.734,
                "stddev": 0.136
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_VA_Dunex_18SVF2047_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.88680858027942,
              36.56513117642618
            ],
            [
              -75.88680858027942,
              36.574191743092825
            ],
            [
              -75.88286135372388,
              36.574191743092825
            ],
            [
              -75.88286135372388,
              36.56513117642618
            ],
            [
              -75.88680858027942,
              36.56513117642618
            ]
          ]
        ]
      },
      "bbox": [
        -75.88680858027942,
        36.56513117642618,
        -75.88286135372388,
        36.574191743092825
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:40.893972+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/va/2019_NCMP_VA_Dunex_18SVF2047_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_VA_Dunex_18SVF2047_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/va/2019_NCMP_VA_Dunex_18SVF2047_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            344
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            420656.5,
            0.0,
            -1.0,
            4048000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.151,
                "maximum": 7.21,
                "mean": 0.814,
                "stddev": 0.712
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_VA_Dunex_18SVF2048_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.88895705425803,
              36.57412994520368
            ],
            [
              -75.88895705425803,
              36.58320573925683
            ],
            [
              -75.88296396068567,
              36.58320573925683
            ],
            [
              -75.88296396068567,
              36.57412994520368
            ],
            [
              -75.88895705425803,
              36.57412994520368
            ]
          ]
        ]
      },
      "bbox": [
        -75.88895705425803,
        36.57412994520368,
        -75.88296396068567,
        36.58320573925683
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:40.976949+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/va/2019_NCMP_VA_Dunex_18SVF2048_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_VA_Dunex_18SVF2048_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/va/2019_NCMP_VA_Dunex_18SVF2048_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            527
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            420473.5,
            0.0,
            -1.0,
            4049000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.252,
                "maximum": 9.089,
                "mean": 1.797,
                "stddev": 1.395
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_VA_Dunex_18SVF2049_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.89109486992756,
              36.58312873857355
            ],
            [
              -75.89109486992756,
              36.592219638676696
            ],
            [
              -75.88307779019199,
              36.592219638676696
            ],
            [
              -75.88307779019199,
              36.58312873857355
            ],
            [
              -75.89109486992756,
              36.58312873857355
            ]
          ]
        ]
      },
      "bbox": [
        -75.89109486992756,
        36.58312873857355,
        -75.88307779019199,
        36.592219638676696
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:41.012038+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/va/2019_NCMP_VA_Dunex_18SVF2049_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_VA_Dunex_18SVF2049_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/va/2019_NCMP_VA_Dunex_18SVF2049_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            708
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            420291.5,
            0.0,
            -1.0,
            4050000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.008,
                "maximum": 13.907,
                "mean": 1.449,
                "stddev": 1.225
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_VA_Dunex_18SVF2148_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.88308917247517,
              36.57417354952688
            ],
            [
              -75.88308917247517,
              36.5832880212403
            ],
            [
              -75.87178830964845,
              36.5832880212403
            ],
            [
              -75.87178830964845,
              36.57417354952688
            ],
            [
              -75.88308917247517,
              36.57417354952688
            ]
          ]
        ]
      },
      "bbox": [
        -75.88308917247517,
        36.57417354952688,
        -75.87178830964845,
        36.5832880212403
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:41.111596+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/va/2019_NCMP_VA_Dunex_18SVF2148_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_VA_Dunex_18SVF2148_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/va/2019_NCMP_VA_Dunex_18SVF2148_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            420998.5,
            0.0,
            -1.0,
            4049000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.797,
                "maximum": 11.982,
                "mean": 3.287,
                "stddev": 1.628
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_VA_Dunex_18SVF2147_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.88298651720706,
              36.56515953947988
            ],
            [
              -75.88298651720706,
              36.57427399819674
            ],
            [
              -75.87168700097679,
              36.57427399819674
            ],
            [
              -75.87168700097679,
              36.56515953947988
            ],
            [
              -75.88298651720706,
              36.56515953947988
            ]
          ]
        ]
      },
      "bbox": [
        -75.88298651720706,
        36.56515953947988,
        -75.87168700097679,
        36.57427399819674
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:41.169281+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/va/2019_NCMP_VA_Dunex_18SVF2147_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_VA_Dunex_18SVF2147_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/va/2019_NCMP_VA_Dunex_18SVF2147_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            420998.5,
            0.0,
            -1.0,
            4048000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.643,
                "maximum": 10.39,
                "mean": 2.849,
                "stddev": 1.216
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_VA_Dunex_18SVF2146_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.88288390755748,
              36.55614551552503
            ],
            [
              -75.88288390755748,
              36.56525996125008
            ],
            [
              -75.87158573732476,
              36.56525996125008
            ],
            [
              -75.87158573732476,
              36.55614551552503
            ],
            [
              -75.88288390755748,
              36.55614551552503
            ]
          ]
        ]
      },
      "bbox": [
        -75.88288390755748,
        36.55614551552503,
        -75.87158573732476,
        36.56525996125008
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:41.333849+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/va/2019_NCMP_VA_Dunex_18SVF2146_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_VA_Dunex_18SVF2146_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/va/2019_NCMP_VA_Dunex_18SVF2146_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            420998.5,
            0.0,
            -1.0,
            4047000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.023,
                "maximum": 9.579,
                "mean": 2.173,
                "stddev": 1.13
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_VA_Dunex_18SVF2150_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.88320789884091,
              36.59220152789165
            ],
            [
              -75.88320789884091,
              36.593681002850175
            ],
            [
              -75.87570224594458,
              36.593681002850175
            ],
            [
              -75.87570224594458,
              36.59220152789165
            ],
            [
              -75.88320789884091,
              36.59220152789165
            ]
          ]
        ]
      },
      "bbox": [
        -75.88320789884091,
        36.59220152789165,
        -75.87570224594458,
        36.593681002850175
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:41.383773+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/va/2019_NCMP_VA_Dunex_18SVF2150_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_VA_Dunex_18SVF2150_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/va/2019_NCMP_VA_Dunex_18SVF2150_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            158,
            670
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            420998.5,
            0.0,
            -1.0,
            4050156.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.987,
                "maximum": 10.656,
                "mean": 2.619,
                "stddev": 2.037
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_VA_Dunex_18SVF2149_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.88319187338276,
              36.583187545664615
            ],
            [
              -75.88319187338276,
              36.59229294581143
            ],
            [
              -75.8731303070336,
              36.59229294581143
            ],
            [
              -75.8731303070336,
              36.583187545664615
            ],
            [
              -75.88319187338276,
              36.583187545664615
            ]
          ]
        ]
      },
      "bbox": [
        -75.88319187338276,
        36.583187545664615,
        -75.8731303070336,
        36.59229294581143
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:41.510323+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/va/2019_NCMP_VA_Dunex_18SVF2149_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_VA_Dunex_18SVF2149_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/va/2019_NCMP_VA_Dunex_18SVF2149_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            891
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            420998.5,
            0.0,
            -1.0,
            4050000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.976,
                "maximum": 15.138,
                "mean": 2.82,
                "stddev": 1.987
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_VA_Dunex_18SVF2248_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.87187653747222,
              36.57425580667203
            ],
            [
              -75.87187653747222,
              36.58011827411574
            ],
            [
              -75.8713524583417,
              36.58011827411574
            ],
            [
              -75.8713524583417,
              36.57425580667203
            ],
            [
              -75.87187653747222,
              36.57425580667203
            ]
          ]
        ]
      },
      "bbox": [
        -75.87187653747222,
        36.57425580667203,
        -75.8713524583417,
        36.58011827411574
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:41.554772+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/va/2019_NCMP_VA_Dunex_18SVF2248_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_VA_Dunex_18SVF2248_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/va/2019_NCMP_VA_Dunex_18SVF2248_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            650,
            41
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            421998.5,
            0.0,
            -1.0,
            4048648.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.837,
                "maximum": -1.09,
                "mean": -1.567,
                "stddev": 0.13
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_VA_Dunex_18SVF2247_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.87181066099566,
              36.565241769750955
            ],
            [
              -75.87181066099566,
              36.574276044342135
            ],
            [
              -75.86893810327916,
              36.574276044342135
            ],
            [
              -75.86893810327916,
              36.565241769750955
            ],
            [
              -75.87181066099566,
              36.565241769750955
            ]
          ]
        ]
      },
      "bbox": [
        -75.87181066099566,
        36.565241769750955,
        -75.86893810327916,
        36.574276044342135
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:41.603676+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/va/2019_NCMP_VA_Dunex_18SVF2247_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_VA_Dunex_18SVF2247_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/va/2019_NCMP_VA_Dunex_18SVF2247_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1000,
            248
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            421998.5,
            0.0,
            -1.0,
            4047998.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.739,
                "maximum": 9.401,
                "mean": 0.695,
                "stddev": 1.628
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_VA_Dunex_18SVF2246_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.871709552305,
              36.55622771892817
            ],
            [
              -75.871709552305,
              36.5652855648888
            ],
            [
              -75.86807738873377,
              36.5652855648888
            ],
            [
              -75.86807738873377,
              36.55622771892817
            ],
            [
              -75.871709552305,
              36.55622771892817
            ]
          ]
        ]
      },
      "bbox": [
        -75.871709552305,
        36.55622771892817,
        -75.86807738873377,
        36.5652855648888
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:41.645512+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/va/2019_NCMP_VA_Dunex_18SVF2246_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_VA_Dunex_18SVF2246_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/va/2019_NCMP_VA_Dunex_18SVF2246_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            316
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            421998.5,
            0.0,
            -1.0,
            4047000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.872,
                "maximum": 9.007,
                "mean": 2.198,
                "stddev": 1.77
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5436_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.58536527140235,
              34.660532402611786
            ],
            [
              -76.58536527140235,
              34.664707194708264
            ],
            [
              -76.5824281208435,
              34.664707194708264
            ],
            [
              -76.5824281208435,
              34.660532402611786
            ],
            [
              -76.58536527140235,
              34.660532402611786
            ]
          ]
        ]
      },
      "bbox": [
        -76.58536527140235,
        34.660532402611786,
        -76.5824281208435,
        34.664707194708264
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:41.676014+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5436_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5436_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5436_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            459,
            262
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            354738.5,
            0.0,
            -1.0,
            3837000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.003,
                "maximum": 4.312,
                "mean": 0.55,
                "stddev": 2.066
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5439_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.59376342256603,
              34.682576598029485
            ],
            [
              -76.59376342256603,
              34.68563880138915
            ],
            [
              -76.58284948690674,
              34.68563880138915
            ],
            [
              -76.58284948690674,
              34.682576598029485
            ],
            [
              -76.59376342256603,
              34.682576598029485
            ]
          ]
        ]
      },
      "bbox": [
        -76.59376342256603,
        34.682576598029485,
        -76.58284948690674,
        34.68563880138915
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:41.703583+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5439_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5439_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5439_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            324,
            995
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            354005.5,
            0.0,
            -1.0,
            3839322.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.465,
                "maximum": -0.603,
                "mean": -1.572,
                "stddev": 0.321
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5437_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.58930147008174,
              34.664603004871886
            ],
            [
              -76.58930147008174,
              34.673721677189036
            ],
            [
              -76.58250645978455,
              34.673721677189036
            ],
            [
              -76.58250645978455,
              34.664603004871886
            ],
            [
              -76.58930147008174,
              34.664603004871886
            ]
          ]
        ]
      },
      "bbox": [
        -76.58930147008174,
        34.664603004871886,
        -76.58250645978455,
        34.673721677189036
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:41.750769+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5437_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5437_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5437_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            607
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            354393.5,
            0.0,
            -1.0,
            3838000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.836,
                "maximum": 2.254,
                "mean": -0.119,
                "stddev": 0.678
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5536_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.58252862305139,
              34.656025951545885
            ],
            [
              -76.58252862305139,
              34.664848356131294
            ],
            [
              -76.57143264640976,
              34.664848356131294
            ],
            [
              -76.57143264640976,
              34.656025951545885
            ],
            [
              -76.58252862305139,
              34.656025951545885
            ]
          ]
        ]
      },
      "bbox": [
        -76.58252862305139,
        34.656025951545885,
        -76.57143264640976,
        34.664848356131294
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:41.777661+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5536_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5536_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5536_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            963,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            354998.5,
            0.0,
            -1.0,
            3837000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.471,
                "maximum": 6.221,
                "mean": 0.008,
                "stddev": 1.818
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5438_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.59309668887883,
              34.67357016478717
            ],
            [
              -76.59309668887883,
              34.682736145571205
            ],
            [
              -76.58267793525913,
              34.682736145571205
            ],
            [
              -76.58267793525913,
              34.67357016478717
            ],
            [
              -76.59309668887883,
              34.67357016478717
            ]
          ]
        ]
      },
      "bbox": [
        -76.59309668887883,
        34.67357016478717,
        -76.58267793525913,
        34.682736145571205
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:41.805167+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5438_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5438_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5438_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            939
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            354061.5,
            0.0,
            -1.0,
            3839000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.963,
                "maximum": 0.702,
                "mean": -0.947,
                "stddev": 0.415
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5538_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.58287165520329,
              34.673703364842986
            ],
            [
              -76.58287165520329,
              34.68287740140632
            ],
            [
              -76.57176652260797,
              34.68287740140632
            ],
            [
              -76.57176652260797,
              34.673703364842986
            ],
            [
              -76.58287165520329,
              34.673703364842986
            ]
          ]
        ]
      },
      "bbox": [
        -76.58287165520329,
        34.673703364842986,
        -76.57176652260797,
        34.68287740140632
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:41.890401+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5538_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5538_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5538_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            354998.5,
            0.0,
            -1.0,
            3839000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.245,
                "maximum": 0.681,
                "mean": -1.056,
                "stddev": 0.446
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5537_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.58270010104027,
              34.664688882428734
            ],
            [
              -76.58270010104027,
              34.67386288581309
            ],
            [
              -76.57159622814164,
              34.67386288581309
            ],
            [
              -76.57159622814164,
              34.664688882428734
            ],
            [
              -76.58270010104027,
              34.664688882428734
            ]
          ]
        ]
      },
      "bbox": [
        -76.58270010104027,
        34.664688882428734,
        -76.57159622814164,
        34.67386288581309
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:41.976306+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5537_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5537_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5537_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            354998.5,
            0.0,
            -1.0,
            3838000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.761,
                "maximum": 1.365,
                "mean": -0.832,
                "stddev": 0.371
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5539_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.58287405750242,
              34.6827178331586
            ],
            [
              -76.58287405750242,
              34.68286574962093
            ],
            [
              -76.58258758553677,
              34.68286574962093
            ],
            [
              -76.58258758553677,
              34.6827178331586
            ],
            [
              -76.58287405750242,
              34.6827178331586
            ]
          ]
        ]
      },
      "bbox": [
        -76.58287405750242,
        34.6827178331586,
        -76.58258758553677,
        34.68286574962093
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:42.033809+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5539_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5539_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5539_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            16,
            26
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            354998.5,
            0.0,
            -1.0,
            3839014.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.921,
                "maximum": -0.801,
                "mean": -0.866,
                "stddev": 0.023
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5632_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.56228691226809,
              34.619866992178366
            ],
            [
              -76.56228691226809,
              34.623539198090896
            ],
            [
              -76.55985238392962,
              34.623539198090896
            ],
            [
              -76.55985238392962,
              34.619866992178366
            ],
            [
              -76.56228691226809,
              34.619866992178366
            ]
          ]
        ]
      },
      "bbox": [
        -76.56228691226809,
        34.619866992178366,
        -76.55985238392962,
        34.623539198090896
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:42.124192+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5632_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5632_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5632_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            404,
            217
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            356782.5,
            0.0,
            -1.0,
            3832402.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -7.334,
                "maximum": -4.11,
                "mean": -5.479,
                "stddev": 0.639
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5631_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.56203360978292,
              34.615623467372764
            ],
            [
              -76.56203360978292,
              34.619915447821484
            ],
            [
              -76.5597620297055,
              34.619915447821484
            ],
            [
              -76.5597620297055,
              34.615623467372764
            ],
            [
              -76.56203360978292,
              34.615623467372764
            ]
          ]
        ]
      },
      "bbox": [
        -76.56203360978292,
        34.615623467372764,
        -76.5597620297055,
        34.619915447821484
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:42.223992+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5631_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5631_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5631_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            473,
            201
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            356799.5,
            0.0,
            -1.0,
            3832000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -7.962,
                "maximum": -1.66,
                "mean": -6.038,
                "stddev": 0.815
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5729_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.55052121351603,
              34.59983708962498
            ],
            [
              -76.55052121351603,
              34.60202499594117
            ],
            [
              -76.548562265279,
              34.60202499594117
            ],
            [
              -76.548562265279,
              34.59983708962498
            ],
            [
              -76.55052121351603,
              34.59983708962498
            ]
          ]
        ]
      },
      "bbox": [
        -76.55052121351603,
        34.59983708962498,
        -76.548562265279,
        34.60202499594117
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:42.281286+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5729_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5729_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5729_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            240,
            176
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            357824.5,
            0.0,
            -1.0,
            3830000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.627,
                "maximum": -4.943,
                "mean": -5.755,
                "stddev": 0.328
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5638_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.57188050762491,
              34.67384457532493
            ],
            [
              -76.57188050762491,
              34.67879771212297
            ],
            [
              -76.56586341679679,
              34.67879771212297
            ],
            [
              -76.56586341679679,
              34.67384457532493
            ],
            [
              -76.57188050762491,
              34.67384457532493
            ]
          ]
        ]
      },
      "bbox": [
        -76.57188050762491,
        34.67384457532493,
        -76.56586341679679,
        34.67879771212297
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:42.347524+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5638_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5638_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5638_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            541,
            543
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            355998.5,
            0.0,
            -1.0,
            3838539.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.251,
                "maximum": -0.485,
                "mean": -1.765,
                "stddev": 0.295
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5635_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.57103362231416,
              34.64860018408287
            ],
            [
              -76.57103362231416,
              34.655973951082146
            ],
            [
              -76.56038153698631,
              34.655973951082146
            ],
            [
              -76.56038153698631,
              34.64860018408287
            ],
            [
              -76.57103362231416,
              34.64860018408287
            ]
          ]
        ]
      },
      "bbox": [
        -76.57103362231416,
        34.64860018408287,
        -76.56038153698631,
        34.655973951082146
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:42.415332+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5635_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5635_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5635_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            803,
            964
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            356036.5,
            0.0,
            -1.0,
            3836000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -7.075,
                "maximum": 4.952,
                "mean": -2.457,
                "stddev": 2.637
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5637_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.5717886861784,
              34.664830045709046
            ],
            [
              -76.5717886861784,
              34.67400311827215
            ],
            [
              -76.56068592088286,
              34.67400311827215
            ],
            [
              -76.56068592088286,
              34.664830045709046
            ],
            [
              -76.5717886861784,
              34.664830045709046
            ]
          ]
        ]
      },
      "bbox": [
        -76.5717886861784,
        34.664830045709046,
        -76.56068592088286,
        34.67400311827215
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:42.496707+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5637_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5637_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5637_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            355998.5,
            0.0,
            -1.0,
            3838000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.118,
                "maximum": 0.467,
                "mean": -1.231,
                "stddev": 0.353
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5636_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.57161838919875,
              34.65581550200651
            ],
            [
              -76.57161838919875,
              34.664988541715466
            ],
            [
              -76.56051688254952,
              34.664988541715466
            ],
            [
              -76.56051688254952,
              34.65581550200651
            ],
            [
              -76.57161838919875,
              34.65581550200651
            ]
          ]
        ]
      },
      "bbox": [
        -76.57161838919875,
        34.65581550200651,
        -76.56051688254952,
        34.664988541715466
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:42.722668+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5636_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5636_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5636_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            355998.5,
            0.0,
            -1.0,
            3837000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.746,
                "maximum": 6.607,
                "mean": -0.202,
                "stddev": 1.215
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5730_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.55611868275493,
              34.601913465583934
            ],
            [
              -76.55611868275493,
              34.61103971747283
            ],
            [
              -76.54860209815718,
              34.61103971747283
            ],
            [
              -76.54860209815718,
              34.601913465583934
            ],
            [
              -76.55611868275493,
              34.601913465583934
            ]
          ]
        ]
      },
      "bbox": [
        -76.55611868275493,
        34.601913465583934,
        -76.54860209815718,
        34.61103971747283
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:42.806312+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5730_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5730_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5730_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            674
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            357326.5,
            0.0,
            -1.0,
            3831000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.549,
                "maximum": 8.404,
                "mean": -3.521,
                "stddev": 2.158
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5731_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.55986362578348,
              34.610882478661274
            ],
            [
              -76.55986362578348,
              34.62005442494946
            ],
            [
              -76.5487695092139,
              34.62005442494946
            ],
            [
              -76.5487695092139,
              34.610882478661274
            ],
            [
              -76.55986362578348,
              34.610882478661274
            ]
          ]
        ]
      },
      "bbox": [
        -76.55986362578348,
        34.610882478661274,
        -76.5487695092139,
        34.62005442494946
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:42.879161+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5731_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5731_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5731_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            356998.5,
            0.0,
            -1.0,
            3832000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -7.225,
                "maximum": 9.458,
                "mean": -1.279,
                "stddev": 2.746
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5734_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.55764307411748,
              34.64293735632634
            ],
            [
              -76.55764307411748,
              34.647098463029586
            ],
            [
              -76.54936475477236,
              34.647098463029586
            ],
            [
              -76.54936475477236,
              34.64293735632634
            ],
            [
              -76.55764307411748,
              34.64293735632634
            ]
          ]
        ]
      },
      "bbox": [
        -76.55764307411748,
        34.64293735632634,
        -76.54936475477236,
        34.647098463029586
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:42.936080+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5734_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5734_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5734_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            450,
            752
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            357248.5,
            0.0,
            -1.0,
            3835000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.744,
                "maximum": 0.908,
                "mean": -4.707,
                "stddev": 1.371
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5733_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.55877250014738,
              34.62892991486292
            ],
            [
              -76.55877250014738,
              34.63750672009162
            ],
            [
              -76.54911546018116,
              34.63750672009162
            ],
            [
              -76.54911546018116,
              34.62892991486292
            ],
            [
              -76.55877250014738,
              34.62892991486292
            ]
          ]
        ]
      },
      "bbox": [
        -76.55877250014738,
        34.62892991486292,
        -76.54911546018116,
        34.63750672009162
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:43.110827+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5733_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5733_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5733_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            938,
            871
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            357128.5,
            0.0,
            -1.0,
            3833936.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -7.235,
                "maximum": 5.155,
                "mean": -0.275,
                "stddev": 1.655
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5732_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.56003236658236,
              34.619897139583294
            ],
            [
              -76.56003236658236,
              34.62906510040538
            ],
            [
              -76.54925322575468,
              34.62906510040538
            ],
            [
              -76.54925322575468,
              34.619897139583294
            ],
            [
              -76.56003236658236,
              34.619897139583294
            ]
          ]
        ]
      },
      "bbox": [
        -76.56003236658236,
        34.619897139583294,
        -76.54925322575468,
        34.62906510040538
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:43.184429+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5732_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5732_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5732_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            973
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            356998.5,
            0.0,
            -1.0,
            3833000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.9,
                "maximum": 9.692,
                "mean": -0.668,
                "stddev": 2.707
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5737_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.56076878370882,
              34.66497023315117
            ],
            [
              -76.56076878370882,
              34.66836400275215
            ],
            [
              -76.54977553853223,
              34.66836400275215
            ],
            [
              -76.54977553853223,
              34.66497023315117
            ],
            [
              -76.56076878370882,
              34.66497023315117
            ]
          ]
        ]
      },
      "bbox": [
        -76.56076878370882,
        34.66497023315117,
        -76.54977553853223,
        34.66836400275215
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:43.238342+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5737_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5737_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5737_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            361,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            356998.5,
            0.0,
            -1.0,
            3837359.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.537,
                "maximum": 0.616,
                "mean": -0.742,
                "stddev": 0.223
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5736_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.56070807972911,
              34.65595564258309
            ],
            [
              -76.56070807972911,
              34.665127751438696
            ],
            [
              -76.54960768074864,
              34.665127751438696
            ],
            [
              -76.54960768074864,
              34.65595564258309
            ],
            [
              -76.56070807972911,
              34.65595564258309
            ]
          ]
        ]
      },
      "bbox": [
        -76.56070807972911,
        34.65595564258309,
        -76.54960768074864,
        34.665127751438696
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:43.292018+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5736_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5736_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5736_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            356998.5,
            0.0,
            -1.0,
            3837000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.864,
                "maximum": 0.556,
                "mean": -1.17,
                "stddev": 0.393
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5735_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.56053903888456,
              34.64694103794032
            ],
            [
              -76.56053903888456,
              34.65611311426654
            ],
            [
              -76.54943989750042,
              34.65611311426654
            ],
            [
              -76.54943989750042,
              34.64694103794032
            ],
            [
              -76.56053903888456,
              34.64694103794032
            ]
          ]
        ]
      },
      "bbox": [
        -76.56053903888456,
        34.64694103794032,
        -76.54943989750042,
        34.65611311426654
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:43.338824+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5735_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5735_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5735_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            356998.5,
            0.0,
            -1.0,
            3836000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.779,
                "maximum": 4.99,
                "mean": -0.793,
                "stddev": 2.087
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5825_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.53848540151405,
              34.56517493646756
            ],
            [
              -76.53848540151405,
              34.56610369534308
            ],
            [
              -76.53701927382726,
              34.56610369534308
            ],
            [
              -76.53701927382726,
              34.56517493646756
            ],
            [
              -76.53848540151405,
              34.56517493646756
            ]
          ]
        ]
      },
      "bbox": [
        -76.53848540151405,
        34.56517493646756,
        -76.53701927382726,
        34.56610369534308
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:43.382405+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5825_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5825_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5825_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            101,
            133
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            358867.5,
            0.0,
            -1.0,
            3826000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.608,
                "maximum": -4.001,
                "mean": -4.889,
                "stddev": 0.343
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5826_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.54335972980903,
              34.56600797000568
            ],
            [
              -76.54335972980903,
              34.57511851919002
            ],
            [
              -76.53703569773246,
              34.57511851919002
            ],
            [
              -76.53703569773246,
              34.56600797000568
            ],
            [
              -76.54335972980903,
              34.56600797000568
            ]
          ]
        ]
      },
      "bbox": [
        -76.54335972980903,
        34.56600797000568,
        -76.53703569773246,
        34.57511851919002
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:43.405545+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5826_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5826_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5826_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            565
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            358435.5,
            0.0,
            -1.0,
            3827000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.28,
                "maximum": -1.358,
                "mean": -3.055,
                "stddev": 0.75
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5827_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.54399509998346,
              34.57501684004943
            ],
            [
              -76.54399509998346,
              34.584133328999556
            ],
            [
              -76.53720163626328,
              34.584133328999556
            ],
            [
              -76.53720163626328,
              34.57501684004943
            ],
            [
              -76.54399509998346,
              34.57501684004943
            ]
          ]
        ]
      },
      "bbox": [
        -76.54399509998346,
        34.57501684004943,
        -76.53720163626328,
        34.584133328999556
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:43.438922+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5827_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5827_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5827_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            608
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            358392.5,
            0.0,
            -1.0,
            3828000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.291,
                "maximum": -1.062,
                "mean": -2.718,
                "stddev": 1.107
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5828_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.54443442690291,
              34.58402817349639
            ],
            [
              -76.54443442690291,
              34.593148124769684
            ],
            [
              -76.53736764851696,
              34.593148124769684
            ],
            [
              -76.53736764851696,
              34.58402817349639
            ],
            [
              -76.54443442690291,
              34.58402817349639
            ]
          ]
        ]
      },
      "bbox": [
        -76.54443442690291,
        34.58402817349639,
        -76.53736764851696,
        34.593148124769684
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:43.461949+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5828_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5828_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5828_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            633
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            358367.5,
            0.0,
            -1.0,
            3829000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.237,
                "maximum": 1.757,
                "mean": -3.279,
                "stddev": 1.084
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5829_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.54862423724315,
              34.59299195416732
            ],
            [
              -76.54862423724315,
              34.6021629064985
            ],
            [
              -76.5375337345255,
              34.6021629064985
            ],
            [
              -76.5375337345255,
              34.59299195416732
            ],
            [
              -76.54862423724315,
              34.59299195416732
            ]
          ]
        ]
      },
      "bbox": [
        -76.54862423724315,
        34.59299195416732,
        -76.5375337345255,
        34.6021629064985
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:43.615798+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5829_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5829_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5829_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            357998.5,
            0.0,
            -1.0,
            3830000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.675,
                "maximum": 8.232,
                "mean": -1.969,
                "stddev": 3.111
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5830_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.54879165080344,
              34.60200668968755
            ],
            [
              -76.54879165080344,
              34.611177674184034
            ],
            [
              -76.5376998943209,
              34.611177674184034
            ],
            [
              -76.5376998943209,
              34.60200668968755
            ],
            [
              -76.54879165080344,
              34.60200668968755
            ]
          ]
        ]
      },
      "bbox": [
        -76.54879165080344,
        34.60200668968755,
        -76.5376998943209,
        34.611177674184034
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:43.715346+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5830_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5830_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5830_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            357998.5,
            0.0,
            -1.0,
            3831000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.391,
                "maximum": 6.924,
                "mean": 0.622,
                "stddev": 1.688
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5832_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.54692374759527,
              34.62006407404592
            ],
            [
              -76.54692374759527,
              34.62920716741744
            ],
            [
              -76.53803243540038,
              34.62920716741744
            ],
            [
              -76.53803243540038,
              34.62006407404592
            ],
            [
              -76.54692374759527,
              34.62006407404592
            ]
          ]
        ]
      },
      "bbox": [
        -76.54692374759527,
        34.62006407404592,
        -76.53803243540038,
        34.62920716741744
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:43.760998+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5832_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5832_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5832_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            800
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            358200.5,
            0.0,
            -1.0,
            3833000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.998,
                "maximum": -0.452,
                "mean": -2.817,
                "stddev": 1.778
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5831_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.5489591387385,
              34.61102141115468
            ],
            [
              -76.5489591387385,
              34.62019242782432
            ],
            [
              -76.53786612793516,
              34.62019242782432
            ],
            [
              -76.53786612793516,
              34.61102141115468
            ],
            [
              -76.5489591387385,
              34.61102141115468
            ]
          ]
        ]
      },
      "bbox": [
        -76.5489591387385,
        34.61102141115468,
        -76.53786612793516,
        34.62019242782432
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:43.784123+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5831_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5831_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5831_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            357998.5,
            0.0,
            -1.0,
            3832000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -7.32,
                "maximum": 4.161,
                "mean": -1.294,
                "stddev": 1.761
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5833_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.54929433786212,
              34.629050811921836
            ],
            [
              -76.54929433786212,
              34.63822189296142
            ],
            [
              -76.5381988167486,
              34.63822189296142
            ],
            [
              -76.5381988167486,
              34.629050811921836
            ],
            [
              -76.54929433786212,
              34.629050811921836
            ]
          ]
        ]
      },
      "bbox": [
        -76.54929433786212,
        34.629050811921836,
        -76.5381988167486,
        34.63822189296142
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:43.806567+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5833_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5833_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5833_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            357998.5,
            0.0,
            -1.0,
            3834000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.981,
                "maximum": 5.02,
                "mean": -1.287,
                "stddev": 2.071
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5835_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.54962983487269,
              34.64708015645317
            ],
            [
              -76.54962983487269,
              34.65625130189418
            ],
            [
              -76.53853180122248,
              34.65625130189418
            ],
            [
              -76.53853180122248,
              34.64708015645317
            ],
            [
              -76.54962983487269,
              34.64708015645317
            ]
          ]
        ]
      },
      "bbox": [
        -76.54962983487269,
        34.64708015645317,
        -76.53853180122248,
        34.65625130189418
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:43.832411+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5835_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5835_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5835_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            357998.5,
            0.0,
            -1.0,
            3836000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.678,
                "maximum": 3.386,
                "mean": -0.389,
                "stddev": 0.886
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5834_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.54946204911535,
              34.63806549121796
            ],
            [
              -76.54946204911535,
              34.64723660445431
            ],
            [
              -76.53836527201193,
              34.64723660445431
            ],
            [
              -76.53836527201193,
              34.63806549121796
            ],
            [
              -76.54946204911535,
              34.63806549121796
            ]
          ]
        ]
      },
      "bbox": [
        -76.54946204911535,
        34.63806549121796,
        -76.53836527201193,
        34.64723660445431
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:44.032003+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5834_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5834_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5834_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            357998.5,
            0.0,
            -1.0,
            3835000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.389,
                "maximum": 6.709,
                "mean": 0.158,
                "stddev": 2.138
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5837_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.5498359777514,
              34.66510944473304
            ],
            [
              -76.5498359777514,
              34.667281064648606
            ],
            [
              -76.54205094271107,
              34.667281064648606
            ],
            [
              -76.54205094271107,
              34.66510944473304
            ],
            [
              -76.5498359777514,
              34.66510944473304
            ]
          ]
        ]
      },
      "bbox": [
        -76.5498359777514,
        34.66510944473304,
        -76.54205094271107,
        34.667281064648606
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:44.054852+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5837_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5837_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5837_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            230,
            710
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            357998.5,
            0.0,
            -1.0,
            3837228.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.855,
                "maximum": -0.571,
                "mean": -1.414,
                "stddev": 0.228
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5836_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.54979769516653,
              34.656094807625514
            ],
            [
              -76.54979769516653,
              34.665265985279056
            ],
            [
              -76.53869840441239,
              34.665265985279056
            ],
            [
              -76.53869840441239,
              34.656094807625514
            ],
            [
              -76.54979769516653,
              34.656094807625514
            ]
          ]
        ]
      },
      "bbox": [
        -76.54979769516653,
        34.656094807625514,
        -76.53869840441239,
        34.665265985279056
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:44.105057+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5836_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5836_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5836_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            357998.5,
            0.0,
            -1.0,
            3837000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.024,
                "maximum": 0.91,
                "mean": -1.371,
                "stddev": 0.432
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5924_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.52950420586892,
              34.550979140549494
            ],
            [
              -76.52950420586892,
              34.55722556539943
            ],
            [
              -76.5258604997505,
              34.55722556539943
            ],
            [
              -76.5258604997505,
              34.550979140549494
            ],
            [
              -76.52950420586892,
              34.550979140549494
            ]
          ]
        ]
      },
      "bbox": [
        -76.52950420586892,
        34.550979140549494,
        -76.5258604997505,
        34.55722556539943
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:44.128079+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5924_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5924_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5924_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            688,
            324
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            359676.5,
            0.0,
            -1.0,
            3825000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.264,
                "maximum": -2.587,
                "mean": -3.84,
                "stddev": 0.767
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5926_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.53722376564194,
              34.566085391199806
            ],
            [
              -76.53722376564194,
              34.57525531869773
            ],
            [
              -76.52613812475236,
              34.57525531869773
            ],
            [
              -76.52613812475236,
              34.566085391199806
            ],
            [
              -76.53722376564194,
              34.566085391199806
            ]
          ]
        ]
      },
      "bbox": [
        -76.53722376564194,
        34.566085391199806,
        -76.52613812475236,
        34.57525531869773
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:44.180714+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5926_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5926_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5926_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            358998.5,
            0.0,
            -1.0,
            3827000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.057,
                "maximum": 1.542,
                "mean": -1.712,
                "stddev": 0.854
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5925_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.53705782461296,
              34.55707055338122
            ],
            [
              -76.53705782461296,
              34.56624044906145
            ],
            [
              -76.52597343477663,
              34.56624044906145
            ],
            [
              -76.52597343477663,
              34.55707055338122
            ],
            [
              -76.53705782461296,
              34.55707055338122
            ]
          ]
        ]
      },
      "bbox": [
        -76.53705782461296,
        34.55707055338122,
        -76.52597343477663,
        34.56624044906145
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:44.203985+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5925_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5925_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5925_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            358998.5,
            0.0,
            -1.0,
            3826000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.718,
                "maximum": 1.949,
                "mean": -2.416,
                "stddev": 1.462
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5927_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.53738978039488,
              34.57510021498291
            ],
            [
              -76.53738978039488,
              34.5842701743063
            ],
            [
              -76.5263028878974,
              34.5842701743063
            ],
            [
              -76.5263028878974,
              34.57510021498291
            ],
            [
              -76.53738978039488,
              34.57510021498291
            ]
          ]
        ]
      },
      "bbox": [
        -76.53738978039488,
        34.57510021498291,
        -76.5263028878974,
        34.5842701743063
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:44.239463+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5927_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5927_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5927_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            358998.5,
            0.0,
            -1.0,
            3828000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.016,
                "maximum": 0.308,
                "mean": -2.112,
                "stddev": 0.743
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5929_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.53772203120067,
              34.59312982043486
            ],
            [
              -76.53772203120067,
              34.602295613011066
            ],
            [
              -76.5269705690472,
              34.602295613011066
            ],
            [
              -76.5269705690472,
              34.59312982043486
            ],
            [
              -76.53772203120067,
              34.59312982043486
            ]
          ]
        ]
      },
      "bbox": [
        -76.53772203120067,
        34.59312982043486,
        -76.5269705690472,
        34.602295613011066
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:44.370144+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5929_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5929_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5929_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            971
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            358998.5,
            0.0,
            -1.0,
            3830000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.174,
                "maximum": 8.468,
                "mean": 0.589,
                "stddev": 2.382
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5928_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.53755586890378,
              34.584115024728575
            ],
            [
              -76.53755586890378,
              34.593285015885186
            ],
            [
              -76.52646772424346,
              34.593285015885186
            ],
            [
              -76.52646772424346,
              34.584115024728575
            ],
            [
              -76.53755586890378,
              34.584115024728575
            ]
          ]
        ]
      },
      "bbox": [
        -76.53755586890378,
        34.584115024728575,
        -76.52646772424346,
        34.593285015885186
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:44.441507+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5928_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5928_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5928_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            358998.5,
            0.0,
            -1.0,
            3829000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.765,
                "maximum": 7.11,
                "mean": -1.165,
                "stddev": 1.84
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5932_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.53822096113947,
              34.62017412329782
            ],
            [
              -76.53822096113947,
              34.62934424186515
            ],
            [
              -76.5271278022735,
              34.62934424186515
            ],
            [
              -76.5271278022735,
              34.62017412329782
            ],
            [
              -76.53822096113947,
              34.62017412329782
            ]
          ]
        ]
      },
      "bbox": [
        -76.53822096113947,
        34.62017412329782,
        -76.5271278022735,
        34.62934424186515
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:44.491939+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5932_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5932_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5932_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            358998.5,
            0.0,
            -1.0,
            3833000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -7.997,
                "maximum": 3.416,
                "mean": -2.213,
                "stddev": 1.185
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5931_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.53805457728643,
              34.611159369721435
            ],
            [
              -76.53805457728643,
              34.62032945642439
            ],
            [
              -76.5269626728055,
              34.62032945642439
            ],
            [
              -76.5269626728055,
              34.611159369721435
            ],
            [
              -76.53805457728643,
              34.611159369721435
            ]
          ]
        ]
      },
      "bbox": [
        -76.53805457728643,
        34.611159369721435,
        -76.5269626728055,
        34.62032945642439
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:44.515877+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5931_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5931_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5931_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            358998.5,
            0.0,
            -1.0,
            3832000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.568,
                "maximum": 3.373,
                "mean": -0.983,
                "stddev": 1.592
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5930_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.53788826731754,
              34.6021446020998
            ],
            [
              -76.53788826731754,
              34.611314656946185
            ],
            [
              -76.52679761666572,
              34.611314656946185
            ],
            [
              -76.52679761666572,
              34.6021446020998
            ],
            [
              -76.53788826731754,
              34.6021446020998
            ]
          ]
        ]
      },
      "bbox": [
        -76.53788826731754,
        34.6021446020998,
        -76.52679761666572,
        34.611314656946185
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:44.576021+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5930_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5930_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5930_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            358998.5,
            0.0,
            -1.0,
            3831000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.73,
                "maximum": 7.689,
                "mean": 0.792,
                "stddev": 1.585
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5934_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.5385539506263,
              34.63820358830704
            ],
            [
              -76.5385539506263,
              34.64737377062652
            ],
            [
              -76.52745828132144,
              34.64737377062652
            ],
            [
              -76.52745828132144,
              34.63820358830704
            ],
            [
              -76.5385539506263,
              34.63820358830704
            ]
          ]
        ]
      },
      "bbox": [
        -76.5385539506263,
        34.63820358830704,
        -76.52745828132144,
        34.64737377062652
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:44.631908+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5934_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5934_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5934_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            358998.5,
            0.0,
            -1.0,
            3835000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.564,
                "maximum": 4.227,
                "mean": 0.078,
                "stddev": 0.718
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5933_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.53838741890871,
              34.62918886282701
            ],
            [
              -76.53838741890871,
              34.638359013266516
            ],
            [
              -76.52729300510151,
              34.638359013266516
            ],
            [
              -76.52729300510151,
              34.62918886282701
            ],
            [
              -76.53838741890871,
              34.62918886282701
            ]
          ]
        ]
      },
      "bbox": [
        -76.53838741890871,
        34.62918886282701,
        -76.52729300510151,
        34.638359013266516
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:44.657648+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5933_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5933_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5933_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            358998.5,
            0.0,
            -1.0,
            3834000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -8.419,
                "maximum": 5.252,
                "mean": 0.186,
                "stddev": 1.547
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6022_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.51927154871446,
              34.536462562642065
            ],
            [
              -76.51927154871446,
              34.5393314010475
            ],
            [
              -76.51469952125142,
              34.5393314010475
            ],
            [
              -76.51469952125142,
              34.536462562642065
            ],
            [
              -76.51927154871446,
              34.536462562642065
            ]
          ]
        ]
      },
      "bbox": [
        -76.51927154871446,
        34.536462562642065,
        -76.51469952125142,
        34.5393314010475
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:44.757438+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6022_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6022_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6022_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            312,
            415
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            360585.5,
            0.0,
            -1.0,
            3823000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.298,
                "maximum": -4.118,
                "mean": -4.844,
                "stddev": 0.388
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5936_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.53887873357822,
              34.65623299711187
            ],
            [
              -76.53887873357822,
              34.66494349236185
            ],
            [
              -76.52778905406461,
              34.66494349236185
            ],
            [
              -76.52778905406461,
              34.65623299711187
            ],
            [
              -76.53887873357822,
              34.65623299711187
            ]
          ]
        ]
      },
      "bbox": [
        -76.53887873357822,
        34.65623299711187,
        -76.52778905406461,
        34.66494349236185
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:44.780906+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5936_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5936_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5936_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            951,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            358998.5,
            0.0,
            -1.0,
            3836949.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.773,
                "maximum": 0.953,
                "mean": -0.85,
                "stddev": 0.496
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD5935_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.53872055632435,
              34.647218299735975
            ],
            [
              -76.53872055632435,
              34.65638851394327
            ],
            [
              -76.52762363096518,
              34.65638851394327
            ],
            [
              -76.52762363096518,
              34.647218299735975
            ],
            [
              -76.53872055632435,
              34.647218299735975
            ]
          ]
        ]
      },
      "bbox": [
        -76.53872055632435,
        34.647218299735975,
        -76.52762363096518,
        34.65638851394327
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:44.862546+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD5935_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD5935_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD5935_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            358998.5,
            0.0,
            -1.0,
            3836000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.235,
                "maximum": 0.38,
                "mean": -0.972,
                "stddev": 0.397
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6023_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.5232487583328,
              34.53920969004631
            ],
            [
              -76.5232487583328,
              34.54834635819024
            ],
            [
              -76.5147501511805,
              34.54834635819024
            ],
            [
              -76.5147501511805,
              34.53920969004631
            ],
            [
              -76.5232487583328,
              34.53920969004631
            ]
          ]
        ]
      },
      "bbox": [
        -76.5232487583328,
        34.53920969004631,
        -76.5147501511805,
        34.54834635819024
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:44.897436+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6023_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6023_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6023_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            765
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            360235.5,
            0.0,
            -1.0,
            3824000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.504,
                "maximum": -2.928,
                "mean": -4.392,
                "stddev": 0.557
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6025_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.52616024942948,
              34.55720726317243
            ],
            [
              -76.52616024942948,
              34.566376230437044
            ],
            [
              -76.51507696352314,
              34.566376230437044
            ],
            [
              -76.51507696352314,
              34.55720726317243
            ],
            [
              -76.52616024942948,
              34.55720726317243
            ]
          ]
        ]
      },
      "bbox": [
        -76.52616024942948,
        34.55720726317243,
        -76.51507696352314,
        34.566376230437044
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:44.920698+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6025_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6025_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6025_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            359998.5,
            0.0,
            -1.0,
            3826000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.743,
                "maximum": 2.05,
                "mean": -2.336,
                "stddev": 1.185
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6024_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.52599555695767,
              34.54819236554975
            ],
            [
              -76.52599555695767,
              34.55736130132074
            ],
            [
              -76.51491352105947,
              34.55736130132074
            ],
            [
              -76.51491352105947,
              34.54819236554975
            ],
            [
              -76.52599555695767,
              34.54819236554975
            ]
          ]
        ]
      },
      "bbox": [
        -76.52599555695767,
        34.54819236554975,
        -76.51491352105947,
        34.55736130132074
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:44.966834+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6024_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6024_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6024_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            359998.5,
            0.0,
            -1.0,
            3825000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.596,
                "maximum": -1.529,
                "mean": -3.056,
                "stddev": 0.759
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6027_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.52648985391603,
              34.57523701634434
            ],
            [
              -76.52648985391603,
              34.58437976346221
            ],
            [
              -76.51751844341291,
              34.58437976346221
            ],
            [
              -76.51751844341291,
              34.57523701634434
            ],
            [
              -76.52648985391603,
              34.57523701634434
            ]
          ]
        ]
      },
      "bbox": [
        -76.52648985391603,
        34.57523701634434,
        -76.51751844341291,
        34.58437976346221
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:45.031582+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6027_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6027_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6027_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            808
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            359998.5,
            0.0,
            -1.0,
            3828000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.51,
                "maximum": -1.06,
                "mean": -3.401,
                "stddev": 1.212
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6026_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.52632501507169,
              34.56622214677128
            ],
            [
              -76.52632501507169,
              34.57539114553722
            ],
            [
              -76.51524047860299,
              34.57539114553722
            ],
            [
              -76.51524047860299,
              34.56622214677128
            ],
            [
              -76.52632501507169,
              34.56622214677128
            ]
          ]
        ]
      },
      "bbox": [
        -76.52632501507169,
        34.56622214677128,
        -76.51524047860299,
        34.57539114553722
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:45.063630+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6026_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6026_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6026_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            359998.5,
            0.0,
            -1.0,
            3827000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.994,
                "maximum": 2.064,
                "mean": -2.691,
                "stddev": 1.477
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6028_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.52653585701866,
              34.58425187188969
            ],
            [
              -76.52653585701866,
              34.586814477747474
            ],
            [
              -76.52413513091837,
              34.586814477747474
            ],
            [
              -76.52413513091837,
              34.58425187188969
            ],
            [
              -76.52653585701866,
              34.58425187188969
            ]
          ]
        ]
      },
      "bbox": [
        -76.52653585701866,
        34.58425187188969,
        -76.52413513091837,
        34.586814477747474
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:45.086872+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6028_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6028_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6028_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            281,
            216
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            359998.5,
            0.0,
            -1.0,
            3828279.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.128,
                "maximum": -1.907,
                "mean": -4.98,
                "stddev": 0.782
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6030_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.52698480997958,
              34.60330923033149
            ],
            [
              -76.52698480997958,
              34.61135460840256
            ],
            [
              -76.52362200878007,
              34.61135460840256
            ],
            [
              -76.52362200878007,
              34.60330923033149
            ],
            [
              -76.52698480997958,
              34.60330923033149
            ]
          ]
        ]
      },
      "bbox": [
        -76.52698480997958,
        34.60330923033149,
        -76.52362200878007,
        34.61135460840256
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:45.110010+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6030_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6030_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6030_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            888,
            295
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            359998.5,
            0.0,
            -1.0,
            3831000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.061,
                "maximum": 1.799,
                "mean": -2.72,
                "stddev": 1.064
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6031_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.52714994195027,
              34.61129635433984
            ],
            [
              -76.52714994195027,
              34.620434576093835
            ],
            [
              -76.51854515526233,
              34.620434576093835
            ],
            [
              -76.51854515526233,
              34.61129635433984
            ],
            [
              -76.52714994195027,
              34.61129635433984
            ]
          ]
        ]
      },
      "bbox": [
        -76.52714994195027,
        34.61129635433984,
        -76.51854515526233,
        34.620434576093835
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:45.132855+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6031_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6031_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6031_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            774
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            359998.5,
            0.0,
            -1.0,
            3832000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.233,
                "maximum": 4.882,
                "mean": -0.055,
                "stddev": 1.972
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6032_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.52731514728212,
              34.62031115375478
            ],
            [
              -76.52731514728212,
              34.629480341690645
            ],
            [
              -76.51622309578656,
              34.629480341690645
            ],
            [
              -76.51622309578656,
              34.62031115375478
            ],
            [
              -76.52731514728212,
              34.62031115375478
            ]
          ]
        ]
      },
      "bbox": [
        -76.52731514728212,
        34.62031115375478,
        -76.51622309578656,
        34.629480341690645
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:45.180355+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6032_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6032_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6032_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            359998.5,
            0.0,
            -1.0,
            3833000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.531,
                "maximum": 5.787,
                "mean": 0.04,
                "stddev": 1.847
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6034_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.52764577815677,
              34.63834071047028
            ],
            [
              -76.52764577815677,
              34.64750996152466
            ],
            [
              -76.51655121720715,
              34.64750996152466
            ],
            [
              -76.51655121720715,
              34.63834071047028
            ],
            [
              -76.52764577815677,
              34.63834071047028
            ]
          ]
        ]
      },
      "bbox": [
        -76.52764577815677,
        34.63834071047028,
        -76.51655121720715,
        34.64750996152466
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:45.204005+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6034_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6034_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6034_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            359998.5,
            0.0,
            -1.0,
            3835000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.86,
                "maximum": 1.12,
                "mean": -1.063,
                "stddev": 0.784
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6033_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.52748042600699,
              34.62932593913223
            ],
            [
              -76.52748042600699,
              34.63849515862349
            ],
            [
              -76.51638712006252,
              34.63849515862349
            ],
            [
              -76.51638712006252,
              34.62932593913223
            ],
            [
              -76.52748042600699,
              34.62932593913223
            ]
          ]
        ]
      },
      "bbox": [
        -76.52748042600699,
        34.62932593913223,
        -76.51638712006252,
        34.63849515862349
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:45.324816+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6033_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6033_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6033_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            359998.5,
            0.0,
            -1.0,
            3834000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -7.943,
                "maximum": 2.821,
                "mean": -1.765,
                "stddev": 1.841
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6035_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.52781120376338,
              34.64735546776698
            ],
            [
              -76.52781120376338,
              34.65652475039222
            ],
            [
              -76.51671538725216,
              34.65652475039222
            ],
            [
              -76.51671538725216,
              34.64735546776698
            ],
            [
              -76.52781120376338,
              34.64735546776698
            ]
          ]
        ]
      },
      "bbox": [
        -76.52781120376338,
        34.64735546776698,
        -76.51671538725216,
        34.65652475039222
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:45.348055+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6035_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6035_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6035_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            359998.5,
            0.0,
            -1.0,
            3836000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.167,
                "maximum": 1.08,
                "mean": -1.067,
                "stddev": 0.856
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6036_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.52797670285874,
              34.65637021102037
            ],
            [
              -76.52797670285874,
              34.66553952522426
            ],
            [
              -76.51687963022921,
              34.66553952522426
            ],
            [
              -76.51687963022921,
              34.65637021102037
            ],
            [
              -76.52797670285874,
              34.65637021102037
            ]
          ]
        ]
      },
      "bbox": [
        -76.52797670285874,
        34.65637021102037,
        -76.51687963022921,
        34.66553952522426
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:45.371102+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6036_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6036_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6036_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            359998.5,
            0.0,
            -1.0,
            3837000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.723,
                "maximum": 5.9,
                "mean": -0.946,
                "stddev": 1.184
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6122_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.51477226617115,
              34.53665368578381
            ],
            [
              -76.51477226617115,
              34.53942953964356
            ],
            [
              -76.50677125572848,
              34.53942953964356
            ],
            [
              -76.50677125572848,
              34.53665368578381
            ],
            [
              -76.51477226617115,
              34.53665368578381
            ]
          ]
        ]
      },
      "bbox": [
        -76.51477226617115,
        34.53665368578381,
        -76.50677125572848,
        34.53942953964356
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:45.409257+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6122_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6122_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6122_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            297,
            730
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            360998.5,
            0.0,
            -1.0,
            3823000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.215,
                "maximum": -3.808,
                "mean": -4.347,
                "stddev": 0.287
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6037_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.5236782483863,
              34.66544038916012
            ],
            [
              -76.5236782483863,
              34.672706261199906
            ],
            [
              -76.51704394617,
              34.672706261199906
            ],
            [
              -76.51704394617,
              34.66544038916012
            ],
            [
              -76.5236782483863,
              34.66544038916012
            ]
          ]
        ]
      },
      "bbox": [
        -76.5236782483863,
        34.66544038916012,
        -76.51704394617,
        34.672706261199906
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:45.452051+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6037_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6037_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6037_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            797,
            596
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            360404.5,
            0.0,
            -1.0,
            3837795.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.11,
                "maximum": -0.124,
                "mean": -1.083,
                "stddev": 0.343
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6124_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.51509908350067,
              34.548328057878926
            ],
            [
              -76.51509908350067,
              34.55749606520325
            ],
            [
              -76.50401815159577,
              34.55749606520325
            ],
            [
              -76.50401815159577,
              34.548328057878926
            ],
            [
              -76.51509908350067,
              34.548328057878926
            ]
          ]
        ]
      },
      "bbox": [
        -76.51509908350067,
        34.548328057878926,
        -76.50401815159577,
        34.55749606520325
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:45.549552+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6124_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6124_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6124_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            360998.5,
            0.0,
            -1.0,
            3825000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -7.212,
                "maximum": -1.86,
                "mean": -4.079,
                "stddev": 0.967
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6123_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.51493563854301,
              34.53931310079871
            ],
            [
              -76.51493563854301,
              34.548481076953394
            ],
            [
              -76.50385595560155,
              34.548481076953394
            ],
            [
              -76.50385595560155,
              34.53931310079871
            ],
            [
              -76.51493563854301,
              34.53931310079871
            ]
          ]
        ]
      },
      "bbox": [
        -76.51493563854301,
        34.53931310079871,
        -76.50385595560155,
        34.548481076953394
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:45.596922+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6123_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6123_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6123_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            360998.5,
            0.0,
            -1.0,
            3824000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -7.242,
                "maximum": -3.069,
                "mean": -4.358,
                "stddev": 0.647
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6126_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.51536418205326,
              34.56635793000064
            ],
            [
              -76.51536418205326,
              34.57202233788268
            ],
            [
              -76.5113826944286,
              34.57202233788268
            ],
            [
              -76.5113826944286,
              34.56635793000064
            ],
            [
              -76.51536418205326,
              34.56635793000064
            ]
          ]
        ]
      },
      "bbox": [
        -76.51536418205326,
        34.56635793000064,
        -76.5113826944286,
        34.57202233788268
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:45.658020+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6126_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6126_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6126_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            623,
            356
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            360998.5,
            0.0,
            -1.0,
            3826621.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.395,
                "maximum": -3.676,
                "mean": -5.004,
                "stddev": 0.538
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6125_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.5152626010756,
              34.55734300094688
            ],
            [
              -76.5152626010756,
              34.56649343481521
            ],
            [
              -76.50560787101521,
              34.56649343481521
            ],
            [
              -76.50560787101521,
              34.55734300094688
            ],
            [
              -76.5152626010756,
              34.55734300094688
            ]
          ]
        ]
      },
      "bbox": [
        -76.5152626010756,
        34.55734300094688,
        -76.50560787101521,
        34.56649343481521
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:45.707721+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6125_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6125_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6125_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            871
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            360998.5,
            0.0,
            -1.0,
            3826000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -7.087,
                "maximum": -2.515,
                "mean": -4.323,
                "stddev": 0.859
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6132_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.51640926003175,
              34.625179997887706
            ],
            [
              -76.51640926003175,
              34.62952517603896
            ],
            [
              -76.51269952074516,
              34.62952517603896
            ],
            [
              -76.51269952074516,
              34.625179997887706
            ],
            [
              -76.51640926003175,
              34.625179997887706
            ]
          ]
        ]
      },
      "bbox": [
        -76.51640926003175,
        34.625179997887706,
        -76.51269952074516,
        34.62952517603896
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:45.777730+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6132_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6132_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6132_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            477,
            333
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            360998.5,
            0.0,
            -1.0,
            3833000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.877,
                "maximum": 3.705,
                "mean": -1.522,
                "stddev": 1.611
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6133_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.51657335968036,
              34.62946204081595
            ],
            [
              -76.51657335968036,
              34.63861712540526
            ],
            [
              -76.50654994923576,
              34.63861712540526
            ],
            [
              -76.50654994923576,
              34.62946204081595
            ],
            [
              -76.51657335968036,
              34.62946204081595
            ]
          ]
        ]
      },
      "bbox": [
        -76.51657335968036,
        34.62946204081595,
        -76.50654994923576,
        34.63861712540526
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:45.881889+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6133_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6133_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6133_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            904
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            360998.5,
            0.0,
            -1.0,
            3834000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.66,
                "maximum": 4.418,
                "mean": -0.03,
                "stddev": 1.981
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6134_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.51673753223044,
              34.6384768576861
            ],
            [
              -76.51673753223044,
              34.64764517712726
            ],
            [
              -76.50564408019252,
              34.64764517712726
            ],
            [
              -76.50564408019252,
              34.6384768576861
            ],
            [
              -76.51673753223044,
              34.6384768576861
            ]
          ]
        ]
      },
      "bbox": [
        -76.51673753223044,
        34.6384768576861,
        -76.50564408019252,
        34.64764517712726
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:45.905100+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6134_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6134_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6134_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            360998.5,
            0.0,
            -1.0,
            3835000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.253,
                "maximum": 7.635,
                "mean": -0.14,
                "stddev": 1.663
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6136_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.51706609616173,
              34.65650644932945
            ],
            [
              -76.51706609616173,
              34.66567483128604
            ],
            [
              -76.50597013343005,
              34.66567483128604
            ],
            [
              -76.50597013343005,
              34.65650644932945
            ],
            [
              -76.51706609616173,
              34.65650644932945
            ]
          ]
        ]
      },
      "bbox": [
        -76.51706609616173,
        34.65650644932945,
        -76.50597013343005,
        34.66567483128604
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:45.928548+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6136_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6136_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6136_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            360998.5,
            0.0,
            -1.0,
            3837000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.976,
                "maximum": 0.499,
                "mean": -1.03,
                "stddev": 0.56
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6138_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.51583439144868,
              34.674555400155704
            ],
            [
              -76.51583439144868,
              34.68370442933339
            ],
            [
              -76.50629647642691,
              34.68370442933339
            ],
            [
              -76.50629647642691,
              34.674555400155704
            ],
            [
              -76.51583439144868,
              34.674555400155704
            ]
          ]
        ]
      },
      "bbox": [
        -76.51583439144868,
        34.674555400155704,
        -76.50629647642691,
        34.68370442933339
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:45.951843+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6138_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6138_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6138_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            859
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            361141.5,
            0.0,
            -1.0,
            3839000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.398,
                "maximum": -0.241,
                "mean": -1.641,
                "stddev": 0.272
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6137_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.5172304876064,
              34.665521224098754
            ],
            [
              -76.5172304876064,
              34.674689637324605
            ],
            [
              -76.50613326869282,
              34.674689637324605
            ],
            [
              -76.50613326869282,
              34.665521224098754
            ],
            [
              -76.5172304876064,
              34.665521224098754
            ]
          ]
        ]
      },
      "bbox": [
        -76.5172304876064,
        34.665521224098754,
        -76.50613326869282,
        34.674689637324605
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:46.027859+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6137_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6137_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6137_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            360998.5,
            0.0,
            -1.0,
            3838000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.249,
                "maximum": 0.479,
                "mean": -1.244,
                "stddev": 0.451
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6135_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.51690177771364,
              34.64749166052459
            ],
            [
              -76.51690177771364,
              34.65666001121961
            ],
            [
              -76.50580707060712,
              34.65666001121961
            ],
            [
              -76.50580707060712,
              34.64749166052459
            ],
            [
              -76.51690177771364,
              34.64749166052459
            ]
          ]
        ]
      },
      "bbox": [
        -76.51690177771364,
        34.64749166052459,
        -76.50580707060712,
        34.65666001121961
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:46.051145+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6135_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6135_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6135_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            360998.5,
            0.0,
            -1.0,
            3836000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.149,
                "maximum": 3.003,
                "mean": -0.708,
                "stddev": 0.681
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6139_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.50754934056432,
              34.68367317407377
            ],
            [
              -76.50754934056432,
              34.68479521821485
            ],
            [
              -76.50645975666386,
              34.68479521821485
            ],
            [
              -76.50645975666386,
              34.68367317407377
            ],
            [
              -76.50754934056432,
              34.68367317407377
            ]
          ]
        ]
      },
      "bbox": [
        -76.50754934056432,
        34.68367317407377,
        -76.50645975666386,
        34.68479521821485
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:46.073753+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6139_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6139_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6139_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            123,
            98
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            361902.5,
            0.0,
            -1.0,
            3839121.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.991,
                "maximum": -1.241,
                "mean": -1.676,
                "stddev": 0.129
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6224_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.50406590082831,
              34.54847179349049
            ],
            [
              -76.50406590082831,
              34.54990625145088
            ],
            [
              -76.503952941386,
              34.54990625145088
            ],
            [
              -76.503952941386,
              34.54847179349049
            ],
            [
              -76.50406590082831,
              34.54847179349049
            ]
          ]
        ]
      },
      "bbox": [
        -76.50406590082831,
        34.54847179349049,
        -76.503952941386,
        34.54990625145088
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:46.110346+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6224_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6224_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6224_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            159,
            8
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            361998.5,
            0.0,
            -1.0,
            3824158.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -7.158,
                "maximum": -6.732,
                "mean": -6.959,
                "stddev": 0.115
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6234_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.50582921337093,
              34.640451060074696
            ],
            [
              -76.50582921337093,
              34.64769616897152
            ],
            [
              -76.50154340929934,
              34.64769616897152
            ],
            [
              -76.50154340929934,
              34.640451060074696
            ],
            [
              -76.50582921337093,
              34.640451060074696
            ]
          ]
        ]
      },
      "bbox": [
        -76.50582921337093,
        34.640451060074696,
        -76.50154340929934,
        34.64769616897152
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:46.134354+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6234_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6234_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6234_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            798,
            381
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            361998.5,
            0.0,
            -1.0,
            3835000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.224,
                "maximum": 3.677,
                "mean": -2.238,
                "stddev": 1.806
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6223_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.50404010464119,
              34.54002473686423
            ],
            [
              -76.50404010464119,
              34.54852286641932
            ],
            [
              -76.49973738654288,
              34.54852286641932
            ],
            [
              -76.49973738654288,
              34.54002473686423
            ],
            [
              -76.50404010464119,
              34.54002473686423
            ]
          ]
        ]
      },
      "bbox": [
        -76.50404010464119,
        34.54002473686423,
        -76.49973738654288,
        34.54852286641932
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:46.213232+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6223_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6223_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6223_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            937,
            381
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            361998.5,
            0.0,
            -1.0,
            3823999.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -7.901,
                "maximum": -4.212,
                "mean": -5.49,
                "stddev": 0.93
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6235_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.50599227869905,
              34.64762687798736
            ],
            [
              -76.50599227869905,
              34.656793761206885
            ],
            [
              -76.49494231525348,
              34.656793761206885
            ],
            [
              -76.49494231525348,
              34.64762687798736
            ],
            [
              -76.50599227869905,
              34.64762687798736
            ]
          ]
        ]
      },
      "bbox": [
        -76.50599227869905,
        34.64762687798736,
        -76.49494231525348,
        34.656793761206885
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:46.402686+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6235_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6235_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6235_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            998
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            361998.5,
            0.0,
            -1.0,
            3836000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.899,
                "maximum": 3.573,
                "mean": -0.531,
                "stddev": 2.215
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6236_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.50615541646813,
              34.65664171201764
            ],
            [
              -76.50615541646813,
              34.665809161378796
            ],
            [
              -76.49506056419106,
              34.665809161378796
            ],
            [
              -76.49506056419106,
              34.65664171201764
            ],
            [
              -76.50615541646813,
              34.65664171201764
            ]
          ]
        ]
      },
      "bbox": [
        -76.50615541646813,
        34.65664171201764,
        -76.49506056419106,
        34.665809161378796
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:46.426373+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6236_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6236_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6236_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            361998.5,
            0.0,
            -1.0,
            3837000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.58,
                "maximum": 3.579,
                "mean": -0.018,
                "stddev": 1.188
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6239_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.5066452647361,
              34.6836861299451
            ],
            [
              -76.5066452647361,
              34.69285367218535
            ],
            [
              -76.49554664372357,
              34.69285367218535
            ],
            [
              -76.49554664372357,
              34.6836861299451
            ],
            [
              -76.5066452647361,
              34.6836861299451
            ]
          ]
        ]
      },
      "bbox": [
        -76.5066452647361,
        34.6836861299451,
        -76.49554664372357,
        34.69285367218535
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:46.449873+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6239_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6239_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6239_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            361998.5,
            0.0,
            -1.0,
            3840000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.222,
                "maximum": 0.993,
                "mean": -1.022,
                "stddev": 0.552
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6238_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.50648190945512,
              34.67467133799843
            ],
            [
              -76.50648190945512,
              34.68383884927133
            ],
            [
              -76.4953845452447,
              34.68383884927133
            ],
            [
              -76.4953845452447,
              34.67467133799843
            ],
            [
              -76.50648190945512,
              34.67467133799843
            ]
          ]
        ]
      },
      "bbox": [
        -76.50648190945512,
        34.67467133799843,
        -76.4953845452447,
        34.68383884927133
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:46.473169+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6238_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6238_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6238_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            361998.5,
            0.0,
            -1.0,
            3839000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.195,
                "maximum": 0.775,
                "mean": -0.893,
                "stddev": 0.467
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6237_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.50631862670963,
              34.66565653202197
            ],
            [
              -76.50631862670963,
              34.67482401233517
            ],
            [
              -76.49522251874431,
              34.67482401233517
            ],
            [
              -76.49522251874431,
              34.66565653202197
            ],
            [
              -76.50631862670963,
              34.66565653202197
            ]
          ]
        ]
      },
      "bbox": [
        -76.50631862670963,
        34.66565653202197,
        -76.49522251874431,
        34.67482401233517
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:46.496390+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6237_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6237_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6237_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            361998.5,
            0.0,
            -1.0,
            3838000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.044,
                "maximum": 1.41,
                "mean": -0.557,
                "stddev": 0.408
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6240_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.49936985459841,
              34.69279164577272
            ],
            [
              -76.49936985459841,
              34.69733403395671
            ],
            [
              -76.4957088142122,
              34.69733403395671
            ],
            [
              -76.4957088142122,
              34.69279164577272
            ],
            [
              -76.49936985459841,
              34.69279164577272
            ]
          ]
        ]
      },
      "bbox": [
        -76.49936985459841,
        34.69279164577272,
        -76.4957088142122,
        34.69733403395671
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:46.518989+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6240_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6240_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6240_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            499,
            328
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            362672.5,
            0.0,
            -1.0,
            3840497.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.045,
                "maximum": -0.373,
                "mean": -1.524,
                "stddev": 0.316
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6336_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.49524466430209,
              34.65681205855121
            ],
            [
              -76.49524466430209,
              34.66589928245327
            ],
            [
              -76.48769720875536,
              34.66589928245327
            ],
            [
              -76.48769720875536,
              34.65681205855121
            ],
            [
              -76.49524466430209,
              34.65681205855121
            ]
          ]
        ]
      },
      "bbox": [
        -76.49524466430209,
        34.65681205855121,
        -76.48769720875536,
        34.66589928245327
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:46.542380+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6336_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6336_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6336_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            998,
            677
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            362998.5,
            0.0,
            -1.0,
            3837000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.927,
                "maximum": 4.017,
                "mean": -2.048,
                "stddev": 2.417
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6341_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.4920237442543,
              34.701899170403394
            ],
            [
              -76.4920237442543,
              34.70899753026651
            ],
            [
              -76.48495550663887,
              34.70899753026651
            ],
            [
              -76.48495550663887,
              34.701899170403394
            ],
            [
              -76.4920237442543,
              34.701899170403394
            ]
          ]
        ]
      },
      "bbox": [
        -76.4920237442543,
        34.701899170403394,
        -76.48495550663887,
        34.70899753026651
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:46.564973+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6341_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6341_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6341_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            778,
            636
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            363364.5,
            0.0,
            -1.0,
            3841776.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.893,
                "maximum": -0.198,
                "mean": -1.233,
                "stddev": 0.295
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6340_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.49589321233209,
              34.69283537459894
            ],
            [
              -76.49589321233209,
              34.70200201360122
            ],
            [
              -76.48479444694806,
              34.70200201360122
            ],
            [
              -76.48479444694806,
              34.69283537459894
            ],
            [
              -76.49589321233209,
              34.69283537459894
            ]
          ]
        ]
      },
      "bbox": [
        -76.49589321233209,
        34.69283537459894,
        -76.48479444694806,
        34.70200201360122
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:46.609886+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6340_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6340_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6340_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            362998.5,
            0.0,
            -1.0,
            3841000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.766,
                "maximum": -0.167,
                "mean": -0.92,
                "stddev": 0.299
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6339_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.49573096729259,
              34.683820551746436
            ],
            [
              -76.49573096729259,
              34.6929871600912
            ],
            [
              -76.48463345877349,
              34.6929871600912
            ],
            [
              -76.48463345877349,
              34.683820551746436
            ],
            [
              -76.49573096729259,
              34.683820551746436
            ]
          ]
        ]
      },
      "bbox": [
        -76.49573096729259,
        34.683820551746436,
        -76.48463345877349,
        34.6929871600912
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:46.686710+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6339_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6339_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6339_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            362998.5,
            0.0,
            -1.0,
            3840000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.645,
                "maximum": 0.811,
                "mean": -0.533,
                "stddev": 0.384
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6338_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.49556879429531,
              34.674805714871766
            ],
            [
              -76.49556879429531,
              34.68397229256661
            ],
            [
              -76.48447254208405,
              34.68397229256661
            ],
            [
              -76.48447254208405,
              34.674805714871766
            ],
            [
              -76.49556879429531,
              34.674805714871766
            ]
          ]
        ]
      },
      "bbox": [
        -76.49556879429531,
        34.674805714871766,
        -76.48447254208405,
        34.68397229256661
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:46.788338+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6338_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6338_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6338_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            362998.5,
            0.0,
            -1.0,
            3839000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.584,
                "maximum": 3.699,
                "mean": -0.264,
                "stddev": 0.679
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6337_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.49540669330891,
              34.66579086397686
            ],
            [
              -76.49540669330891,
              34.67495741102937
            ],
            [
              -76.48431169684864,
              34.67495741102937
            ],
            [
              -76.48431169684864,
              34.66579086397686
            ],
            [
              -76.49540669330891,
              34.66579086397686
            ]
          ]
        ]
      },
      "bbox": [
        -76.49540669330891,
        34.66579086397686,
        -76.48431169684864,
        34.67495741102937
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:46.811629+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6337_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6337_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6337_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            362998.5,
            0.0,
            -1.0,
            3838000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.293,
                "maximum": 4.147,
                "mean": -0.454,
                "stddev": 2.125
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6436_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.47601853912148,
              34.66313112249252
            ],
            [
              -76.47601853912148,
              34.66477674108654
            ],
            [
              -76.47334956643894,
              34.66477674108654
            ],
            [
              -76.47334956643894,
              34.66313112249252
            ],
            [
              -76.47601853912148,
              34.66313112249252
            ]
          ]
        ]
      },
      "bbox": [
        -76.47601853912148,
        34.66313112249252,
        -76.47334956643894,
        34.66477674108654
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:46.876976+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6436_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6436_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6436_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            179,
            242
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            364758.5,
            0.0,
            -1.0,
            3836856.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -10.312,
                "maximum": -8.947,
                "mean": -9.305,
                "stddev": 0.226
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6437_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.48449468792863,
              34.66944904574574
            ],
            [
              -76.48449468792863,
              34.67500320705744
            ],
            [
              -76.48061016935078,
              34.67500320705744
            ],
            [
              -76.48061016935078,
              34.66944904574574
            ],
            [
              -76.48449468792863,
              34.66944904574574
            ]
          ]
        ]
      },
      "bbox": [
        -76.48449468792863,
        34.66944904574574,
        -76.48061016935078,
        34.67500320705744
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:46.946134+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6437_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6437_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6437_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            611,
            347
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            363998.5,
            0.0,
            -1.0,
            3838000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.165,
                "maximum": -0.182,
                "mean": -3.851,
                "stddev": 1.205
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6439_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.48481659780687,
              34.683953996905814
            ],
            [
              -76.48481659780687,
              34.69311967100701
            ],
            [
              -76.4737202023383,
              34.69311967100701
            ],
            [
              -76.4737202023383,
              34.683953996905814
            ],
            [
              -76.48481659780687,
              34.683953996905814
            ]
          ]
        ]
      },
      "bbox": [
        -76.48481659780687,
        34.683953996905814,
        -76.4737202023383,
        34.69311967100701
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:47.004599+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6439_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6439_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6439_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            363998.5,
            0.0,
            -1.0,
            3840000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.482,
                "maximum": 3.93,
                "mean": 0.099,
                "stddev": 1.103
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6438_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.48465560712464,
              34.674939115429424
            ],
            [
              -76.48465560712464,
              34.6841047591982
            ],
            [
              -76.47356046746934,
              34.6841047591982
            ],
            [
              -76.47356046746934,
              34.674939115429424
            ],
            [
              -76.48465560712464,
              34.674939115429424
            ]
          ]
        ]
      },
      "bbox": [
        -76.48465560712464,
        34.674939115429424,
        -76.47356046746934,
        34.6841047591982
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:47.081455+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6438_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6438_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6438_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            363998.5,
            0.0,
            -1.0,
            3839000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.279,
                "maximum": 4.46,
                "mean": -1.014,
                "stddev": 2.491
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6440_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.48497766000644,
              34.69296886436952
            ],
            [
              -76.48497766000644,
              34.70213456881068
            ],
            [
              -76.4738800081677,
              34.70213456881068
            ],
            [
              -76.4738800081677,
              34.69296886436952
            ],
            [
              -76.48497766000644,
              34.69296886436952
            ]
          ]
        ]
      },
      "bbox": [
        -76.48497766000644,
        34.69296886436952,
        -76.4738800081677,
        34.70213456881068
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:47.236492+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6440_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6440_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6440_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            363998.5,
            0.0,
            -1.0,
            3841000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.414,
                "maximum": 1.452,
                "mean": -0.37,
                "stddev": 0.432
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6442_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.4835531252901,
              34.71101983917009
            ],
            [
              -76.4835531252901,
              34.720164322394965
            ],
            [
              -76.47419983283145,
              34.720164322394965
            ],
            [
              -76.47419983283145,
              34.71101983917009
            ],
            [
              -76.4835531252901,
              34.71101983917009
            ]
          ]
        ]
      },
      "bbox": [
        -76.4835531252901,
        34.71101983917009,
        -76.47419983283145,
        34.720164322394965
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:47.295193+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6442_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6442_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6442_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            842
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            364158.5,
            0.0,
            -1.0,
            3843000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.34,
                "maximum": -0.204,
                "mean": -0.918,
                "stddev": 0.426
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6441_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.48513879375452,
              34.70198371781867
            ],
            [
              -76.48513879375452,
              34.711149452607295
            ],
            [
              -76.47403988498844,
              34.711149452607295
            ],
            [
              -76.47403988498844,
              34.70198371781867
            ],
            [
              -76.48513879375452,
              34.70198371781867
            ]
          ]
        ]
      },
      "bbox": [
        -76.48513879375452,
        34.70198371781867,
        -76.47403988498844,
        34.711149452607295
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:47.341434+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6441_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6441_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6441_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            363998.5,
            0.0,
            -1.0,
            3842000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.742,
                "maximum": 0.64,
                "mean": -0.793,
                "stddev": 0.299
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6443_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.47521895662689,
              34.72013611385476
            ],
            [
              -76.47521895662689,
              34.721183001799936
            ],
            [
              -76.4743598517276,
              34.721183001799936
            ],
            [
              -76.4743598517276,
              34.72013611385476
            ],
            [
              -76.47521895662689,
              34.72013611385476
            ]
          ]
        ]
      },
      "bbox": [
        -76.47521895662689,
        34.72013611385476,
        -76.4743598517276,
        34.721183001799936
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:47.378180+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6443_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6443_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6443_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            115,
            77
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            364923.5,
            0.0,
            -1.0,
            3843113.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.703,
                "maximum": -1.204,
                "mean": -1.535,
                "stddev": 0.063
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6536_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.47339852193795,
              34.663379160094095
            ],
            [
              -76.47339852193795,
              34.66473644348341
            ],
            [
              -76.46997111438006,
              34.66473644348341
            ],
            [
              -76.46997111438006,
              34.663379160094095
            ],
            [
              -76.47339852193795,
              34.663379160094095
            ]
          ]
        ]
      },
      "bbox": [
        -76.47339852193795,
        34.663379160094095,
        -76.46997111438006,
        34.66473644348341
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:47.410864+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6536_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6536_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6536_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            146,
            312
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            364998.5,
            0.0,
            -1.0,
            3836847.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -10.469,
                "maximum": -9.13,
                "mean": -9.53,
                "stddev": 0.238
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6537_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.47177945259422,
              34.666248579020376
            ],
            [
              -76.47177945259422,
              34.67009409419793
            ],
            [
              -76.46604983923372,
              34.67009409419793
            ],
            [
              -76.46604983923372,
              34.666248579020376
            ],
            [
              -76.47177945259422,
              34.666248579020376
            ]
          ]
        ]
      },
      "bbox": [
        -76.47177945259422,
        34.666248579020376,
        -76.46604983923372,
        34.67009409419793
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:47.503838+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6537_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6537_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6537_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            419,
            519
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            365155.5,
            0.0,
            -1.0,
            3837436.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -12.04,
                "maximum": -9.697,
                "mean": -10.682,
                "stddev": 0.537
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6538_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.4737421886949,
              34.68288748108452
            ],
            [
              -76.4737421886949,
              34.68410366121627
            ],
            [
              -76.47304416529512,
              34.68410366121627
            ],
            [
              -76.47304416529512,
              34.68288748108452
            ],
            [
              -76.4737421886949,
              34.68288748108452
            ]
          ]
        ]
      },
      "bbox": [
        -76.4737421886949,
        34.68288748108452,
        -76.47304416529512,
        34.68410366121627
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:47.560013+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6538_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6538_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6538_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            134,
            62
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            364998.5,
            0.0,
            -1.0,
            3838999.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.212,
                "maximum": -5.385,
                "mean": -5.83,
                "stddev": 0.164
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6539_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.4739021568038,
              34.68408646540219
            ],
            [
              -76.4739021568038,
              34.69321644357692
            ],
            [
              -76.4656989135836,
              34.69321644357692
            ],
            [
              -76.4656989135836,
              34.68408646540219
            ],
            [
              -76.4739021568038,
              34.68408646540219
            ]
          ]
        ]
      },
      "bbox": [
        -76.4739021568038,
        34.68408646540219,
        -76.4656989135836,
        34.69321644357692
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:47.589347+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6539_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6539_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6539_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            737
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            364998.5,
            0.0,
            -1.0,
            3840000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.199,
                "maximum": 3.371,
                "mean": -2.073,
                "stddev": 2.657
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6540_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.47406203613232,
              34.693101377150754
            ],
            [
              -76.47406203613232,
              34.70226614668277
            ],
            [
              -76.462965498396,
              34.70226614668277
            ],
            [
              -76.462965498396,
              34.693101377150754
            ],
            [
              -76.47406203613232,
              34.693101377150754
            ]
          ]
        ]
      },
      "bbox": [
        -76.47406203613232,
        34.693101377150754,
        -76.462965498396,
        34.70226614668277
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:47.612303+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6540_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6540_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6540_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            364998.5,
            0.0,
            -1.0,
            3841000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.663,
                "maximum": 3.661,
                "mean": -0.252,
                "stddev": 1.808
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6542_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.4743820078904,
              34.711131158630536
            ],
            [
              -76.4743820078904,
              34.72029598822957
            ],
            [
              -76.46328295673266,
              34.72029598822957
            ],
            [
              -76.46328295673266,
              34.711131158630536
            ],
            [
              -76.4743820078904,
              34.711131158630536
            ]
          ]
        ]
      },
      "bbox": [
        -76.4743820078904,
        34.711131158630536,
        -76.46328295673266,
        34.72029598822957
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:47.635647+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6542_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6542_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6542_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            364998.5,
            0.0,
            -1.0,
            3843000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.872,
                "maximum": 0.698,
                "mean": -0.571,
                "stddev": 0.368
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6541_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.47422198648422,
              34.70211627489418
            ],
            [
              -76.47422198648422,
              34.71128107445596
            ],
            [
              -76.46312419231577,
              34.71128107445596
            ],
            [
              -76.46312419231577,
              34.70211627489418
            ],
            [
              -76.47422198648422,
              34.70211627489418
            ]
          ]
        ]
      },
      "bbox": [
        -76.47422198648422,
        34.70211627489418,
        -76.46312419231577,
        34.71128107445596
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:47.702390+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6541_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6541_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6541_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            364998.5,
            0.0,
            -1.0,
            3842000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.251,
                "maximum": 2.66,
                "mean": -0.184,
                "stddev": 0.519
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6543_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.4745421003818,
              34.720146028357924
            ],
            [
              -76.4745421003818,
              34.729310888001685
            ],
            [
              -76.46344179167734,
              34.729310888001685
            ],
            [
              -76.46344179167734,
              34.720146028357924
            ],
            [
              -76.4745421003818,
              34.720146028357924
            ]
          ]
        ]
      },
      "bbox": [
        -76.4745421003818,
        34.720146028357924,
        -76.46344179167734,
        34.729310888001685
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:47.766892+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6543_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6543_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6543_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            364998.5,
            0.0,
            -1.0,
            3844000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.123,
                "maximum": -0.215,
                "mean": -1.227,
                "stddev": 0.452
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6544_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.46769629346727,
              34.72924450279887
            ],
            [
              -76.46769629346727,
              34.733665079576504
            ],
            [
              -76.46360069718052,
              34.733665079576504
            ],
            [
              -76.46360069718052,
              34.72924450279887
            ],
            [
              -76.46769629346727,
              34.72924450279887
            ]
          ]
        ]
      },
      "bbox": [
        -76.46769629346727,
        34.72924450279887,
        -76.46360069718052,
        34.733665079576504
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:47.790244+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6544_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6544_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6544_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            485,
            368
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            365632.5,
            0.0,
            -1.0,
            3844483.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.071,
                "maximum": -1.352,
                "mean": -1.79,
                "stddev": 0.091
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6638_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.46183523626061,
              34.675682501880736
            ],
            [
              -76.46183523626061,
              34.67866583272389
            ],
            [
              -76.45807341698604,
              34.67866583272389
            ],
            [
              -76.45807341698604,
              34.675682501880736
            ],
            [
              -76.46183523626061,
              34.675682501880736
            ]
          ]
        ]
      },
      "bbox": [
        -76.46183523626061,
        34.675682501880736,
        -76.45807341698604,
        34.67866583272389
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:47.896672+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6638_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6638_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6638_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            326,
            340
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            366080.5,
            0.0,
            -1.0,
            3838376.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -11.864,
                "maximum": -10.176,
                "mean": -10.919,
                "stddev": 0.345
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6640_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.46314634123485,
              34.69564891867328
            ],
            [
              -76.46314634123485,
              34.70233391976175
            ],
            [
              -76.4573541134621,
              34.70233391976175
            ],
            [
              -76.4573541134621,
              34.69564891867328
            ],
            [
              -76.46314634123485,
              34.69564891867328
            ]
          ]
        ]
      },
      "bbox": [
        -76.46314634123485,
        34.69564891867328,
        -76.4573541134621,
        34.70233391976175
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:47.983889+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6640_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6640_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6640_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            734,
            520
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            365998.5,
            0.0,
            -1.0,
            3841000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.359,
                "maximum": 3.063,
                "mean": -3.588,
                "stddev": 1.716
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6641_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.46330510815964,
              34.70224785463302
            ],
            [
              -76.46330510815964,
              34.711411718620006
            ],
            [
              -76.45220842914601,
              34.711411718620006
            ],
            [
              -76.45220842914601,
              34.70224785463302
            ],
            [
              -76.46330510815964,
              34.70224785463302
            ]
          ]
        ]
      },
      "bbox": [
        -76.46330510815964,
        34.70224785463302,
        -76.45220842914601,
        34.711411718620006
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:48.029523+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6641_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6641_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6641_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            365998.5,
            0.0,
            -1.0,
            3842000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.813,
                "maximum": 4.136,
                "mean": -0.535,
                "stddev": 2.349
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6645_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.45957643043127,
              34.738359517109764
            ],
            [
              -76.45957643043127,
              34.74584878064303
            ],
            [
              -76.4528391731227,
              34.74584878064303
            ],
            [
              -76.4528391731227,
              34.738359517109764
            ],
            [
              -76.45957643043127,
              34.738359517109764
            ]
          ]
        ]
      },
      "bbox": [
        -76.45957643043127,
        34.738359517109764,
        -76.4528391731227,
        34.74584878064303
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:48.085993+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6645_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6645_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6645_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            822,
            605
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            366395.5,
            0.0,
            -1.0,
            3845820.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.717,
                "maximum": -0.271,
                "mean": -1.323,
                "stddev": 0.224
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6644_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.46378183223037,
              34.729292595773
            ],
            [
              -76.46378183223037,
              34.73845654894045
            ],
            [
              -76.45268138206393,
              34.73845654894045
            ],
            [
              -76.45268138206393,
              34.729292595773
            ],
            [
              -76.46378183223037,
              34.729292595773
            ]
          ]
        ]
      },
      "bbox": [
        -76.46378183223037,
        34.729292595773,
        -76.45268138206393,
        34.73845654894045
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:48.109016+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6644_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6644_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6644_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            365998.5,
            0.0,
            -1.0,
            3845000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.427,
                "maximum": -0.226,
                "mean": -1.148,
                "stddev": 0.411
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6643_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.46362285362667,
              34.720277696060535
            ],
            [
              -76.46362285362667,
              34.72944161949374
            ],
            [
              -76.45252366106857,
              34.72944161949374
            ],
            [
              -76.45252366106857,
              34.720277696060535
            ],
            [
              -76.46362285362667,
              34.720277696060535
            ]
          ]
        ]
      },
      "bbox": [
        -76.46362285362667,
        34.720277696060535,
        -76.45252366106857,
        34.72944161949374
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:48.154527+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6643_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6643_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6643_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            365998.5,
            0.0,
            -1.0,
            3844000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.873,
                "maximum": 0.607,
                "mean": -0.722,
                "stddev": 0.536
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6642_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.46346394561336,
              34.71126278234658
            ],
            [
              -76.46346394561336,
              34.72042667605296
            ],
            [
              -76.45236601010609,
              34.72042667605296
            ],
            [
              -76.45236601010609,
              34.71126278234658
            ],
            [
              -76.46346394561336,
              34.71126278234658
            ]
          ]
        ]
      },
      "bbox": [
        -76.46346394561336,
        34.71126278234658,
        -76.45236601010609,
        34.72042667605296
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:48.227461+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6642_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6642_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6642_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            365998.5,
            0.0,
            -1.0,
            3843000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.418,
                "maximum": 4.059,
                "mean": 0.22,
                "stddev": 0.782
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6741_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.45238815930617,
              34.70808493551297
            ],
            [
              -76.45238815930617,
              34.71144604555199
            ],
            [
              -76.44942619883426,
              34.71144604555199
            ],
            [
              -76.44942619883426,
              34.70808493551297
            ],
            [
              -76.45238815930617,
              34.70808493551297
            ]
          ]
        ]
      },
      "bbox": [
        -76.45238815930617,
        34.70808493551297,
        -76.44942619883426,
        34.71144604555199
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:48.251023+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6741_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6741_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6741_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            369,
            266
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            366998.5,
            0.0,
            -1.0,
            3842000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.055,
                "maximum": -1.934,
                "mean": -4.52,
                "stddev": 1.036
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6742_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.45254581277668,
              34.711393428378706
            ],
            [
              -76.45254581277668,
              34.72054901867187
            ],
            [
              -76.44207126529717,
              34.72054901867187
            ],
            [
              -76.44207126529717,
              34.711393428378706
            ],
            [
              -76.45254581277668,
              34.711393428378706
            ]
          ]
        ]
      },
      "bbox": [
        -76.45254581277668,
        34.711393428378706,
        -76.44207126529717,
        34.72054901867187
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:48.274004+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6742_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6742_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6742_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            945
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            366998.5,
            0.0,
            -1.0,
            3843000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.247,
                "maximum": 4.446,
                "mean": -0.958,
                "stddev": 2.537
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6745_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.4530191935143,
              34.73843825852207
            ],
            [
              -76.4530191935143,
              34.74760130423645
            ],
            [
              -76.4419186028785,
              34.74760130423645
            ],
            [
              -76.4419186028785,
              34.73843825852207
            ],
            [
              -76.4530191935143,
              34.73843825852207
            ]
          ]
        ]
      },
      "bbox": [
        -76.4530191935143,
        34.73843825852207,
        -76.4419186028785,
        34.74760130423645
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:48.322888+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6745_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6745_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6745_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            366998.5,
            0.0,
            -1.0,
            3846000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.69,
                "maximum": -0.25,
                "mean": -0.884,
                "stddev": 0.258
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6744_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.45286132985022,
              34.72942332913439
            ],
            [
              -76.45286132985022,
              34.73858634542523
            ],
            [
              -76.44176199688394,
              34.73858634542523
            ],
            [
              -76.44176199688394,
              34.72942332913439
            ],
            [
              -76.45286132985022,
              34.72942332913439
            ]
          ]
        ]
      },
      "bbox": [
        -76.45286132985022,
        34.72942332913439,
        -76.44176199688394,
        34.73858634542523
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:48.346318+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6744_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6744_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6744_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            366998.5,
            0.0,
            -1.0,
            3845000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.751,
                "maximum": 0.828,
                "mean": -0.947,
                "stddev": 0.373
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6743_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.45270353628119,
              34.72040838575265
            ],
            [
              -76.45270353628119,
              34.729571372627305
            ],
            [
              -76.4416054604269,
              34.729571372627305
            ],
            [
              -76.4416054604269,
              34.72040838575265
            ],
            [
              -76.45270353628119,
              34.72040838575265
            ]
          ]
        ]
      },
      "bbox": [
        -76.45270353628119,
        34.72040838575265,
        -76.4416054604269,
        34.729571372627305
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:48.369426+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6743_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6743_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6743_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            366998.5,
            0.0,
            -1.0,
            3844000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.315,
                "maximum": 3.945,
                "mean": -0.09,
                "stddev": 1.376
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6747_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.44341402306496,
              34.75658449797538
            ],
            [
              -76.44341402306496,
              34.75798651944722
            ],
            [
              -76.44223202360145,
              34.75798651944722
            ],
            [
              -76.44223202360145,
              34.75658449797538
            ],
            [
              -76.44341402306496,
              34.75658449797538
            ]
          ]
        ]
      },
      "bbox": [
        -76.44341402306496,
        34.75658449797538,
        -76.44223202360145,
        34.75798651944722
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:48.427673+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6747_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6747_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6747_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            154,
            106
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            367894.5,
            0.0,
            -1.0,
            3847152.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.862,
                "maximum": -0.524,
                "mean": -0.663,
                "stddev": 0.046
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6746_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.45186637769574,
              34.747468806611934
            ],
            [
              -76.45186637769574,
              34.75661624905904
            ],
            [
              -76.4420752784409,
              34.75661624905904
            ],
            [
              -76.4420752784409,
              34.747468806611934
            ],
            [
              -76.45186637769574,
              34.747468806611934
            ]
          ]
        ]
      },
      "bbox": [
        -76.45186637769574,
        34.747468806611934,
        -76.4420752784409,
        34.75661624905904
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:48.451148+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6746_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6746_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6746_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            882
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            367118.5,
            0.0,
            -1.0,
            3847000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.218,
                "maximum": -0.228,
                "mean": -0.636,
                "stddev": 0.13
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6843_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.4417841488712,
              34.721295356836464
            ],
            [
              -76.4417841488712,
              34.7296654746186
            ],
            [
              -76.43364820380343,
              34.7296654746186
            ],
            [
              -76.43364820380343,
              34.721295356836464
            ],
            [
              -76.4417841488712,
              34.721295356836464
            ]
          ]
        ]
      },
      "bbox": [
        -76.4417841488712,
        34.721295356836464,
        -76.43364820380343,
        34.7296654746186
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:48.474208+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6843_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6843_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6843_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            918,
            732
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            367998.5,
            0.0,
            -1.0,
            3844000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.798,
                "maximum": 4.056,
                "mean": -1.82,
                "stddev": 2.474
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6845_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.44209743544779,
              34.73856805687754
            ],
            [
              -76.44209743544779,
              34.74773016504921
            ],
            [
              -76.43099796306647,
              34.74773016504921
            ],
            [
              -76.43099796306647,
              34.73856805687754
            ],
            [
              -76.44209743544779,
              34.73856805687754
            ]
          ]
        ]
      },
      "bbox": [
        -76.44209743544779,
        34.73856805687754,
        -76.43099796306647,
        34.74773016504921
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:48.534211+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6845_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6845_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6845_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            367998.5,
            0.0,
            -1.0,
            3846000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.251,
                "maximum": 3.561,
                "mean": -0.044,
                "stddev": 0.654
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6846_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.44225418311983,
              34.747583015630326
            ],
            [
              -76.44225418311983,
              34.75674515291465
            ],
            [
              -76.43115345300825,
              34.75674515291465
            ],
            [
              -76.43115345300825,
              34.747583015630326
            ],
            [
              -76.44225418311983,
              34.747583015630326
            ]
          ]
        ]
      },
      "bbox": [
        -76.44225418311983,
        34.747583015630326,
        -76.43115345300825,
        34.75674515291465
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:48.603299+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6846_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6846_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6846_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            367998.5,
            0.0,
            -1.0,
            3847000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.331,
                "maximum": 1.047,
                "mean": -0.379,
                "stddev": 0.432
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6844_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.44194075737504,
              34.72955308413802
            ],
            [
              -76.44194075737504,
              34.738715163204354
            ],
            [
              -76.43084254216642,
              34.738715163204354
            ],
            [
              -76.43084254216642,
              34.72955308413802
            ],
            [
              -76.44194075737504,
              34.72955308413802
            ]
          ]
        ]
      },
      "bbox": [
        -76.44194075737504,
        34.72955308413802,
        -76.43084254216642,
        34.738715163204354
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:48.688280+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6844_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6844_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6844_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            367998.5,
            0.0,
            -1.0,
            3845000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.696,
                "maximum": 4.717,
                "mean": 0.058,
                "stddev": 1.81
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6847_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.4424110004215,
              34.756597960394494
            ],
            [
              -76.4424110004215,
              34.765760126798774
            ],
            [
              -76.4313090120218,
              34.765760126798774
            ],
            [
              -76.4313090120218,
              34.756597960394494
            ],
            [
              -76.4424110004215,
              34.756597960394494
            ]
          ]
        ]
      },
      "bbox": [
        -76.4424110004215,
        34.756597960394494,
        -76.4313090120218,
        34.765760126798774
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:48.711655+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6847_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6847_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6847_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            367998.5,
            0.0,
            -1.0,
            3848000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.381,
                "maximum": 0.929,
                "mean": -0.247,
                "stddev": 0.44
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6848_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.4354020618826,
              34.76569669051394
            ],
            [
              -76.4354020618826,
              34.7704298777732
            ],
            [
              -76.43146464013729,
              34.7704298777732
            ],
            [
              -76.43146464013729,
              34.76569669051394
            ],
            [
              -76.4354020618826,
              34.76569669051394
            ]
          ]
        ]
      },
      "bbox": [
        -76.4354020618826,
        34.76569669051394,
        -76.43146464013729,
        34.7704298777732
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:48.756731+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6848_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6848_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6848_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            520,
            353
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            368647.5,
            0.0,
            -1.0,
            3848518.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.119,
                "maximum": -0.471,
                "mean": -0.711,
                "stddev": 0.112
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6943_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.4284187240866,
              34.72865581372152
            ],
            [
              -76.4284187240866,
              34.72981240498377
            ],
            [
              -76.42123714598827,
              34.72981240498377
            ],
            [
              -76.42123714598827,
              34.72865581372152
            ],
            [
              -76.4284187240866,
              34.72865581372152
            ]
          ]
        ]
      },
      "bbox": [
        -76.4284187240866,
        34.72865581372152,
        -76.42123714598827,
        34.72981240498377
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:48.817149+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6943_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6943_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6943_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            119,
            656
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            369222.5,
            0.0,
            -1.0,
            3844000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -10.61,
                "maximum": -8.006,
                "mean": -9.05,
                "stddev": 0.566
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6944_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.43102011533088,
              34.729681860763385
            ],
            [
              -76.43102011533088,
              34.738843002257475
            ],
            [
              -76.41992301843727,
              34.738843002257475
            ],
            [
              -76.41992301843727,
              34.729681860763385
            ],
            [
              -76.43102011533088,
              34.729681860763385
            ]
          ]
        ]
      },
      "bbox": [
        -76.43102011533088,
        34.729681860763385,
        -76.41992301843727,
        34.738843002257475
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:48.874710+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6944_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6944_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6944_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            368998.5,
            0.0,
            -1.0,
            3845000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -11.352,
                "maximum": 4.606,
                "mean": -5.881,
                "stddev": 3.482
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6945_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.43117560778204,
              34.738696876528024
            ],
            [
              -76.43117560778204,
              34.74785804680917
            ],
            [
              -76.42007725421274,
              34.74785804680917
            ],
            [
              -76.42007725421274,
              34.738696876528024
            ],
            [
              -76.43117560778204,
              34.738696876528024
            ]
          ]
        ]
      },
      "bbox": [
        -76.43117560778204,
        34.738696876528024,
        -76.42007725421274,
        34.74785804680917
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:48.897794+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6945_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6945_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6945_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            368998.5,
            0.0,
            -1.0,
            3846000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.778,
                "maximum": 5.193,
                "mean": -0.168,
                "stddev": 2.237
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6949_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.42747926694909,
              34.77480645661075
            ],
            [
              -76.42747926694909,
              34.77867136359449
            ],
            [
              -76.42069488276903,
              34.77867136359449
            ],
            [
              -76.42069488276903,
              34.77480645661075
            ],
            [
              -76.42747926694909,
              34.77480645661075
            ]
          ]
        ]
      },
      "bbox": [
        -76.42747926694909,
        34.77480645661075,
        -76.42069488276903,
        34.77867136359449
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:48.945374+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6949_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6949_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6949_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            420,
            615
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            369385.5,
            0.0,
            -1.0,
            3849418.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.319,
                "maximum": -0.185,
                "mean": -0.859,
                "stddev": 0.218
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6948_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.43164249969347,
              34.76574183994906
            ],
            [
              -76.43164249969347,
              34.77490309663483
            ],
            [
              -76.42054037275203,
              34.77490309663483
            ],
            [
              -76.42054037275203,
              34.76574183994906
            ],
            [
              -76.43164249969347,
              34.76574183994906
            ]
          ]
        ]
      },
      "bbox": [
        -76.43164249969347,
        34.76574183994906,
        -76.42054037275203,
        34.77490309663483
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.017559+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6948_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6948_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6948_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            368998.5,
            0.0,
            -1.0,
            3849000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.97,
                "maximum": -0.164,
                "mean": -0.99,
                "stddev": 0.328
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6947_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.43148679993321,
              34.75672686612273
            ],
            [
              -76.43148679993321,
              34.76588809399971
            ],
            [
              -76.42038593134023,
              34.76588809399971
            ],
            [
              -76.42038593134023,
              34.75672686612273
            ],
            [
              -76.43148679993321,
              34.75672686612273
            ]
          ]
        ]
      },
      "bbox": [
        -76.43148679993321,
        34.75672686612273,
        -76.42038593134023,
        34.76588809399971
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.062030+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6947_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6947_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6947_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            368998.5,
            0.0,
            -1.0,
            3848000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.421,
                "maximum": 1.049,
                "mean": -0.196,
                "stddev": 0.515
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD6946_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.4313311693061,
              34.7477118783151
            ],
            [
              -76.4313311693061,
              34.75687307739053
            ],
            [
              -76.42023155850377,
              34.75687307739053
            ],
            [
              -76.42023155850377,
              34.7477118783151
            ],
            [
              -76.4313311693061,
              34.7477118783151
            ]
          ]
        ]
      },
      "bbox": [
        -76.4313311693061,
        34.7477118783151,
        -76.42023155850377,
        34.75687307739053
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.086017+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD6946_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD6946_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD6946_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            368998.5,
            0.0,
            -1.0,
            3847000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.589,
                "maximum": 5.264,
                "mean": 0.225,
                "stddev": 0.764
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7045_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.42025371104337,
              34.74526146064863
            ],
            [
              -76.42025371104337,
              34.74788732112481
            ],
            [
              -76.41767545303401,
              34.74788732112481
            ],
            [
              -76.41767545303401,
              34.74526146064863
            ],
            [
              -76.42025371104337,
              34.74526146064863
            ]
          ]
        ]
      },
      "bbox": [
        -76.42025371104337,
        34.74526146064863,
        -76.41767545303401,
        34.74788732112481
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.136183+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7045_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7045_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7045_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            288,
            232
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            369998.5,
            0.0,
            -1.0,
            3846000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.911,
                "maximum": -2.353,
                "mean": -3.517,
                "stddev": 0.663
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7044_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.42004279083716,
              34.7309996475075
            ],
            [
              -76.42004279083716,
              34.7356081665593
            ],
            [
              -76.41360992774132,
              34.7356081665593
            ],
            [
              -76.41360992774132,
              34.7309996475075
            ],
            [
              -76.42004279083716,
              34.7309996475075
            ]
          ]
        ]
      },
      "bbox": [
        -76.42004279083716,
        34.7309996475075,
        -76.41360992774132,
        34.7356081665593
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.183927+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7044_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7044_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7044_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            503,
            582
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            369998.5,
            0.0,
            -1.0,
            3844633.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -11.3,
                "maximum": -7.994,
                "mean": -9.113,
                "stddev": 0.606
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7046_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.42040808638934,
              34.74783976194776
            ],
            [
              -76.42040808638934,
              34.75699243338141
            ],
            [
              -76.40996491516026,
              34.75699243338141
            ],
            [
              -76.40996491516026,
              34.74783976194776
            ],
            [
              -76.42040808638934,
              34.74783976194776
            ]
          ]
        ]
      },
      "bbox": [
        -76.42040808638934,
        34.74783976194776,
        -76.40996491516026,
        34.75699243338141
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.211905+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7046_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7046_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7046_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            942
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            369998.5,
            0.0,
            -1.0,
            3847000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.924,
                "maximum": 5.201,
                "mean": -0.518,
                "stddev": 2.313
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7048_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.4207170428405,
              34.76586980902398
            ],
            [
              -76.4207170428405,
              34.775030126516036
            ],
            [
              -76.40961603676155,
              34.775030126516036
            ],
            [
              -76.40961603676155,
              34.76586980902398
            ],
            [
              -76.4207170428405,
              34.76586980902398
            ]
          ]
        ]
      },
      "bbox": [
        -76.4207170428405,
        34.76586980902398,
        -76.40961603676155,
        34.775030126516036
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.261223+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7048_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7048_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7048_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            369998.5,
            0.0,
            -1.0,
            3849000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.786,
                "maximum": 1.098,
                "mean": -0.729,
                "stddev": 0.453
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7049_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.4208716240055,
              34.77488481160189
            ],
            [
              -76.4208716240055,
              34.78404515759141
            ],
            [
              -76.40976935951811,
              34.78404515759141
            ],
            [
              -76.40976935951811,
              34.77488481160189
            ],
            [
              -76.4208716240055,
              34.77488481160189
            ]
          ]
        ]
      },
      "bbox": [
        -76.4208716240055,
        34.77488481160189,
        -76.40976935951811,
        34.78404515759141
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.284550+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7049_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7049_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7049_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            369998.5,
            0.0,
            -1.0,
            3850000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.644,
                "maximum": 0.845,
                "mean": -0.774,
                "stddev": 0.364
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7047_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.42056253031174,
              34.75685479247196
            ],
            [
              -76.42056253031174,
              34.76601508147379
            ],
            [
              -76.40946278208338,
              34.76601508147379
            ],
            [
              -76.40946278208338,
              34.75685479247196
            ],
            [
              -76.42056253031174,
              34.75685479247196
            ]
          ]
        ]
      },
      "bbox": [
        -76.42056253031174,
        34.75685479247196,
        -76.40946278208338,
        34.76601508147379
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.327045+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7047_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7047_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7047_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            369998.5,
            0.0,
            -1.0,
            3848000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.649,
                "maximum": 4.051,
                "mean": -0.075,
                "stddev": 1.198
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7050_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.41646389334326,
              34.783952527834884
            ],
            [
              -76.41646389334326,
              34.790824451758255
            ],
            [
              -76.40992275038272,
              34.790824451758255
            ],
            [
              -76.40992275038272,
              34.783952527834884
            ],
            [
              -76.41646389334326,
              34.783952527834884
            ]
          ]
        ]
      },
      "bbox": [
        -76.41646389334326,
        34.783952527834884,
        -76.40992275038272,
        34.790824451758255
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.351577+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7050_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7050_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7050_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            754,
            588
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            370412.5,
            0.0,
            -1.0,
            3850752.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.421,
                "maximum": -0.254,
                "mean": -0.901,
                "stddev": 0.176
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7151_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.40528735924714,
              34.793098900120135
            ],
            [
              -76.40528735924714,
              34.80010986468298
            ],
            [
              -76.3991482418643,
              34.80010986468298
            ],
            [
              -76.3991482418643,
              34.793098900120135
            ],
            [
              -76.40528735924714,
              34.793098900120135
            ]
          ]
        ]
      },
      "bbox": [
        -76.40528735924714,
        34.793098900120135,
        -76.3991482418643,
        34.80010986468298
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.375099+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7151_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7151_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7151_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            770,
            551
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            371449.5,
            0.0,
            -1.0,
            3851768.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.779,
                "maximum": -0.318,
                "mean": -0.983,
                "stddev": 0.264
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7147_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.40963819208396,
              34.7576939295871
            ],
            [
              -76.40963819208396,
              34.76609722380417
            ],
            [
              -76.40236381893712,
              34.76609722380417
            ],
            [
              -76.40236381893712,
              34.7576939295871
            ],
            [
              -76.40963819208396,
              34.7576939295871
            ]
          ]
        ]
      },
      "bbox": [
        -76.40963819208396,
        34.7576939295871,
        -76.40236381893712,
        34.76609722380417
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.411125+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7147_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7147_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7147_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            923,
            653
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            370998.5,
            0.0,
            -1.0,
            3848000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.855,
                "maximum": 3.901,
                "mean": -0.973,
                "stddev": 2.341
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7150_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.41009837224311,
              34.78402687437721
            ],
            [
              -76.41009837224311,
              34.79318630869239
            ],
            [
              -76.39899597120647,
              34.79318630869239
            ],
            [
              -76.39899597120647,
              34.78402687437721
            ],
            [
              -76.41009837224311,
              34.78402687437721
            ]
          ]
        ]
      },
      "bbox": [
        -76.41009837224311,
        34.78402687437721,
        -76.39899597120647,
        34.79318630869239
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.434101+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7150_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7150_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7150_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            370998.5,
            0.0,
            -1.0,
            3851000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.496,
                "maximum": 0.93,
                "mean": -0.533,
                "stddev": 0.457
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7148_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.40979151735125,
              34.76599679837272
            ],
            [
              -76.40979151735125,
              34.77515617632328
            ],
            [
              -76.3986916326927,
              34.77515617632328
            ],
            [
              -76.3986916326927,
              34.76599679837272
            ],
            [
              -76.40979151735125,
              34.76599679837272
            ]
          ]
        ]
      },
      "bbox": [
        -76.40979151735125,
        34.76599679837272,
        -76.3986916326927,
        34.77515617632328
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.456787+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7148_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7148_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7148_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            370998.5,
            0.0,
            -1.0,
            3849000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.748,
                "maximum": 4.963,
                "mean": 0.215,
                "stddev": 1.546
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7149_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.40994491072773,
              34.775011843358406
            ],
            [
              -76.40994491072773,
              34.78417124948773
            ],
            [
              -76.39884376815911,
              34.78417124948773
            ],
            [
              -76.39884376815911,
              34.775011843358406
            ],
            [
              -76.40994491072773,
              34.775011843358406
            ]
          ]
        ]
      },
      "bbox": [
        -76.40994491072773,
        34.775011843358406,
        -76.39884376815911,
        34.78417124948773
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.479247+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7149_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7149_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7149_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            370998.5,
            0.0,
            -1.0,
            3850000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.292,
                "maximum": 2.335,
                "mean": -0.213,
                "stddev": 0.49
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7248_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.39886592375284,
              34.77025171958396
            ],
            [
              -76.39886592375284,
              34.77521408033616
            ],
            [
              -76.39371395362464,
              34.77521408033616
            ],
            [
              -76.39371395362464,
              34.77025171958396
            ],
            [
              -76.39886592375284,
              34.77025171958396
            ]
          ]
        ]
      },
      "bbox": [
        -76.39886592375284,
        34.77025171958396,
        -76.39371395362464,
        34.77521408033616
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.550401+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7248_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7248_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7248_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            544,
            464
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            371998.5,
            0.0,
            -1.0,
            3849000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.485,
                "maximum": 4.138,
                "mean": -2.564,
                "stddev": 1.682
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7349_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.38809128028281,
              34.78134817069984
            ],
            [
              -76.38809128028281,
              34.78432549549492
            ],
            [
              -76.38546323562059,
              34.78432549549492
            ],
            [
              -76.38546323562059,
              34.78134817069984
            ],
            [
              -76.38809128028281,
              34.78134817069984
            ]
          ]
        ]
      },
      "bbox": [
        -76.38809128028281,
        34.78134817069984,
        -76.38546323562059,
        34.78432549549492
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.599526+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7349_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7349_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7349_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            327,
            236
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            372998.5,
            0.0,
            -1.0,
            3850000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.354,
                "maximum": -2.122,
                "mean": -3.107,
                "stddev": 0.519
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7252_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.39745336957957,
              34.80220580584306
            ],
            [
              -76.39745336957957,
              34.80877220289243
            ],
            [
              -76.38838228535728,
              34.80877220289243
            ],
            [
              -76.38838228535728,
              34.80220580584306
            ],
            [
              -76.39745336957957,
              34.80220580584306
            ]
          ]
        ]
      },
      "bbox": [
        -76.39745336957957,
        34.80220580584306,
        -76.38838228535728,
        34.80877220289243
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.634488+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7252_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7252_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7252_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            717,
            820
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            372179.5,
            0.0,
            -1.0,
            3852715.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.092,
                "maximum": -0.172,
                "mean": -0.845,
                "stddev": 0.344
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7251_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.39932274329173,
              34.79316802729888
            ],
            [
              -76.39932274329173,
              34.80232654896142
            ],
            [
              -76.3882202067035,
              34.80232654896142
            ],
            [
              -76.3882202067035,
              34.79316802729888
            ],
            [
              -76.39932274329173,
              34.79316802729888
            ]
          ]
        ]
      },
      "bbox": [
        -76.39932274329173,
        34.79316802729888,
        -76.3882202067035,
        34.80232654896142
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.657571+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7251_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7251_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7251_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            371998.5,
            0.0,
            -1.0,
            3852000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.276,
                "maximum": 0.07,
                "mean": -0.981,
                "stddev": 0.411
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7249_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.39901812931105,
              34.77513789504165
            ],
            [
              -76.39901812931105,
              34.78429636096304
            ],
            [
              -76.38791810921913,
              34.78429636096304
            ],
            [
              -76.38791810921913,
              34.77513789504165
            ],
            [
              -76.39901812931105,
              34.77513789504165
            ]
          ]
        ]
      },
      "bbox": [
        -76.39901812931105,
        34.77513789504165,
        -76.38791810921913,
        34.78429636096304
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.704331+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7249_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7249_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7249_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            371998.5,
            0.0,
            -1.0,
            3850000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.838,
                "maximum": 4.872,
                "mean": -0.405,
                "stddev": 2.176
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7250_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.39917040248086,
              34.78415296815015
            ],
            [
              -76.39917040248086,
              34.79331146193858
            ],
            [
              -76.38806912441976,
              34.79331146193858
            ],
            [
              -76.38806912441976,
              34.78415296815015
            ],
            [
              -76.39917040248086,
              34.78415296815015
            ]
          ]
        ]
      },
      "bbox": [
        -76.39917040248086,
        34.78415296815015,
        -76.38806912441976,
        34.79331146193858
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.763980+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7250_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7250_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7250_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            371998.5,
            0.0,
            -1.0,
            3851000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.181,
                "maximum": 4.327,
                "mean": -0.133,
                "stddev": 0.776
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7350_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.38824236507752,
              34.784278081502805
            ],
            [
              -76.38824236507752,
              34.79343563441681
            ],
            [
              -76.37714221054993,
              34.79343563441681
            ],
            [
              -76.37714221054993,
              34.784278081502805
            ],
            [
              -76.38824236507752,
              34.784278081502805
            ]
          ]
        ]
      },
      "bbox": [
        -76.38824236507752,
        34.784278081502805,
        -76.37714221054993,
        34.79343563441681
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.824419+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7350_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7350_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7350_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            372998.5,
            0.0,
            -1.0,
            3851000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.797,
                "maximum": 4.366,
                "mean": -0.517,
                "stddev": 2.248
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7351_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.38839351698573,
              34.79329318242303
            ],
            [
              -76.38839351698573,
              34.80245076289216
            ],
            [
              -76.3772921044303,
              34.80245076289216
            ],
            [
              -76.3772921044303,
              34.79329318242303
            ],
            [
              -76.38839351698573,
              34.79329318242303
            ]
          ]
        ]
      },
      "bbox": [
        -76.38839351698573,
        34.79329318242303,
        -76.3772921044303,
        34.80245076289216
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.861042+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7351_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7351_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7351_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            372998.5,
            0.0,
            -1.0,
            3852000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.496,
                "maximum": 4.135,
                "mean": -0.406,
                "stddev": 1.189
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7450_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.3773142605607,
              34.79296659999283
            ],
            [
              -76.3773142605607,
              34.793439715391656
            ],
            [
              -76.37692398160361,
              34.793439715391656
            ],
            [
              -76.37692398160361,
              34.79296659999283
            ],
            [
              -76.3773142605607,
              34.79296659999283
            ]
          ]
        ]
      },
      "bbox": [
        -76.3773142605607,
        34.79296659999283,
        -76.37692398160361,
        34.793439715391656
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.885039+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7450_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7450_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7450_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            52,
            35
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            373998.5,
            0.0,
            -1.0,
            3851000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.6,
                "maximum": -3.451,
                "mean": -4.03,
                "stddev": 0.237
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7352_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.38854473603674,
              34.802308269390544
            ],
            [
              -76.38854473603674,
              34.81146587742181
            ],
            [
              -76.37744206489543,
              34.81146587742181
            ],
            [
              -76.37744206489543,
              34.802308269390544
            ],
            [
              -76.38854473603674,
              34.802308269390544
            ]
          ]
        ]
      },
      "bbox": [
        -76.38854473603674,
        34.802308269390544,
        -76.37744206489543,
        34.81146587742181
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.908387+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7352_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7352_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7352_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            372998.5,
            0.0,
            -1.0,
            3853000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.638,
                "maximum": -0.125,
                "mean": -0.897,
                "stddev": 0.289
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7353_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.38622237265336,
              34.811351012272226
            ],
            [
              -76.38622237265336,
              34.81768629831529
            ],
            [
              -76.37759209197445,
              34.81768629831529
            ],
            [
              -76.37759209197445,
              34.811351012272226
            ],
            [
              -76.38622237265336,
              34.811351012272226
            ]
          ]
        ]
      },
      "bbox": [
        -76.38622237265336,
        34.811351012272226,
        -76.37759209197445,
        34.81768629831529
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.931243+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7353_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7353_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7353_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            692,
            780
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            373220.5,
            0.0,
            -1.0,
            3853690.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.382,
                "maximum": -0.144,
                "mean": -0.605,
                "stddev": 0.248
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7451_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.37746422353693,
              34.79341735677992
            ],
            [
              -76.37746422353693,
              34.802573136488235
            ],
            [
              -76.36644043298453,
              34.802573136488235
            ],
            [
              -76.36644043298453,
              34.79341735677992
            ],
            [
              -76.37746422353693,
              34.79341735677992
            ]
          ]
        ]
      },
      "bbox": [
        -76.37746422353693,
        34.79341735677992,
        -76.36644043298453,
        34.802573136488235
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.955082+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7451_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7451_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7451_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            995
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            373998.5,
            0.0,
            -1.0,
            3852000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.155,
                "maximum": 4.115,
                "mean": -0.939,
                "stddev": 2.458
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7453_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.37776434936339,
              34.81144759967552
            ],
            [
              -76.37776434936339,
              34.82060429309662
            ],
            [
              -76.36666154466853,
              34.82060429309662
            ],
            [
              -76.36666154466853,
              34.81144759967552
            ],
            [
              -76.37776434936339,
              34.81144759967552
            ]
          ]
        ]
      },
      "bbox": [
        -76.37776434936339,
        34.81144759967552,
        -76.36666154466853,
        34.82060429309662
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:49.978519+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7453_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7453_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7453_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            373998.5,
            0.0,
            -1.0,
            3854000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.493,
                "maximum": 0.989,
                "mean": -0.389,
                "stddev": 0.369
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7452_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.37761425312813,
              34.80243248520057
            ],
            [
              -76.37761425312813,
              34.8115891513717
            ],
            [
              -76.36651270707742,
              34.8115891513717
            ],
            [
              -76.36651270707742,
              34.80243248520057
            ],
            [
              -76.37761425312813,
              34.80243248520057
            ]
          ]
        ]
      },
      "bbox": [
        -76.37761425312813,
        34.80243248520057,
        -76.36651270707742,
        34.8115891513717
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:50.001809+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7452_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7452_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7452_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            373998.5,
            0.0,
            -1.0,
            3853000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.818,
                "maximum": 3.599,
                "mean": 0.055,
                "stddev": 1.126
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7455_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.3675910940396,
              34.82959438573276
            ],
            [
              -76.3675910940396,
              34.83011525250463
            ],
            [
              -76.3669594182242,
              34.83011525250463
            ],
            [
              -76.3669594182242,
              34.82959438573276
            ],
            [
              -76.3675910940396,
              34.82959438573276
            ]
          ]
        ]
      },
      "bbox": [
        -76.3675910940396,
        34.82959438573276,
        -76.3669594182242,
        34.83011525250463
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:50.035218+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7455_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7455_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7455_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            57,
            57
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            374943.5,
            0.0,
            -1.0,
            3855055.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.188,
                "maximum": -0.632,
                "mean": -0.972,
                "stddev": 0.097
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7454_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.37542181005692,
              34.820490902877225
            ],
            [
              -76.37542181005692,
              34.829619420880974
            ],
            [
              -76.3668104483745,
              34.829619420880974
            ],
            [
              -76.3668104483745,
              34.820490902877225
            ],
            [
              -76.37542181005692,
              34.820490902877225
            ]
          ]
        ]
      },
      "bbox": [
        -76.37542181005692,
        34.820490902877225,
        -76.3668104483745,
        34.829619420880974
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:50.058561+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7454_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7454_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7454_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            774
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            374226.5,
            0.0,
            -1.0,
            3855000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.244,
                "maximum": 0.289,
                "mean": -0.514,
                "stddev": 0.175
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7552_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.36668370357548,
              34.802609810871665
            ],
            [
              -76.36668370357548,
              34.811671440089896
            ],
            [
              -76.3591690294981,
              34.811671440089896
            ],
            [
              -76.3591690294981,
              34.802609810871665
            ],
            [
              -76.36668370357548,
              34.802609810871665
            ]
          ]
        ]
      },
      "bbox": [
        -76.36668370357548,
        34.802609810871665,
        -76.3591690294981,
        34.811671440089896
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:50.092815+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7552_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7552_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7552_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            996,
            674
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            374998.5,
            0.0,
            -1.0,
            3853000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.675,
                "maximum": 3.407,
                "mean": -0.849,
                "stddev": 2.115
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7555_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.36713062069379,
              34.829601144907144
            ],
            [
              -76.36713062069379,
              34.83875694968341
            ],
            [
              -76.35602642418539,
              34.83875694968341
            ],
            [
              -76.35602642418539,
              34.829601144907144
            ],
            [
              -76.36713062069379,
              34.829601144907144
            ]
          ]
        ]
      },
      "bbox": [
        -76.36713062069379,
        34.829601144907144,
        -76.35602642418539,
        34.83875694968341
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:50.115798+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7555_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7555_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7555_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            374998.5,
            0.0,
            -1.0,
            3856000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.195,
                "maximum": 0.067,
                "mean": -0.985,
                "stddev": 0.477
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7553_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.36683260979376,
              34.811570875506035
            ],
            [
              -76.36683260979376,
              34.82072662640021
            ],
            [
              -76.35573093124775,
              34.82072662640021
            ],
            [
              -76.35573093124775,
              34.811570875506035
            ],
            [
              -76.36683260979376,
              34.811570875506035
            ]
          ]
        ]
      },
      "bbox": [
        -76.36683260979376,
        34.811570875506035,
        -76.35573093124775,
        34.82072662640021
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:50.138329+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7553_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7553_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7553_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            374998.5,
            0.0,
            -1.0,
            3854000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.187,
                "maximum": 2.823,
                "mean": 0.122,
                "stddev": 0.932
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7554_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.3669815821569,
              34.820586017176886
            ],
            [
              -76.3669815821569,
              34.82974179500864
            ],
            [
              -76.35587864490887,
              34.82974179500864
            ],
            [
              -76.35587864490887,
              34.820586017176886
            ],
            [
              -76.3669815821569,
              34.820586017176886
            ]
          ]
        ]
      },
      "bbox": [
        -76.3669815821569,
        34.820586017176886,
        -76.35587864490887,
        34.82974179500864
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:50.273997+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7554_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7554_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7554_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            374998.5,
            0.0,
            -1.0,
            3855000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.329,
                "maximum": 0.889,
                "mean": -0.543,
                "stddev": 0.478
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7556_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.35938984328322,
              34.83870364242488
            ],
            [
              -76.35938984328322,
              34.84211959880879
            ],
            [
              -76.35617426910598,
              34.84211959880879
            ],
            [
              -76.35617426910598,
              34.83870364242488
            ],
            [
              -76.35938984328322,
              34.83870364242488
            ]
          ]
        ]
      },
      "bbox": [
        -76.35938984328322,
        34.83870364242488,
        -76.35617426910598,
        34.84211959880879
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:50.389607+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7556_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7556_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7556_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            375,
            289
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            375711.5,
            0.0,
            -1.0,
            3856373.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.076,
                "maximum": -0.434,
                "mean": -1.818,
                "stddev": 0.542
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7653_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.35590080407928,
              34.815759018901794
            ],
            [
              -76.35590080407928,
              34.820765322641925
            ],
            [
              -76.35232142249437,
              34.820765322641925
            ],
            [
              -76.35232142249437,
              34.815759018901794
            ],
            [
              -76.35590080407928,
              34.815759018901794
            ]
          ]
        ]
      },
      "bbox": [
        -76.35590080407928,
        34.815759018901794,
        -76.35232142249437,
        34.820765322641925
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:50.413426+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7653_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7653_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7653_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            551,
            320
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            375998.5,
            0.0,
            -1.0,
            3854000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.76,
                "maximum": 2.507,
                "mean": -0.831,
                "stddev": 1.689
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7754_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.34511552393438,
              34.82331790482981
            ],
            [
              -76.34511552393438,
              34.82998359683697
            ],
            [
              -76.33405496506862,
              34.82998359683697
            ],
            [
              -76.33405496506862,
              34.82331790482981
            ],
            [
              -76.34511552393438,
              34.82331790482981
            ]
          ]
        ]
      },
      "bbox": [
        -76.34511552393438,
        34.82331790482981,
        -76.33405496506862,
        34.82998359683697
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:50.436654+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7754_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7754_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7754_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            726,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            376998.5,
            0.0,
            -1.0,
            3855000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -8.769,
                "maximum": -0.644,
                "mean": -3.29,
                "stddev": 1.871
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7755_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.34526218023709,
              34.82984491479241
            ],
            [
              -76.34526218023709,
              34.838998832194584
            ],
            [
              -76.33416023970413,
              34.838998832194584
            ],
            [
              -76.33416023970413,
              34.82984491479241
            ],
            [
              -76.34526218023709,
              34.82984491479241
            ]
          ]
        ]
      },
      "bbox": [
        -76.34526218023709,
        34.82984491479241,
        -76.33416023970413,
        34.838998832194584
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:50.507313+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7755_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7755_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7755_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            376998.5,
            0.0,
            -1.0,
            3856000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.977,
                "maximum": 1.514,
                "mean": -1.588,
                "stddev": 0.765
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7654_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.35604858586822,
              34.820708352362416
            ],
            [
              -76.35604858586822,
              34.829863187000356
            ],
            [
              -76.34494677582784,
              34.829863187000356
            ],
            [
              -76.34494677582784,
              34.820708352362416
            ],
            [
              -76.35604858586822,
              34.820708352362416
            ]
          ]
        ]
      },
      "bbox": [
        -76.35604858586822,
        34.820708352362416,
        -76.34494677582784,
        34.829863187000356
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:50.531134+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7654_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7654_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7654_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            375998.5,
            0.0,
            -1.0,
            3855000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.896,
                "maximum": 2.3,
                "mean": 0.072,
                "stddev": 1.116
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7656_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.35633620948227,
              34.83873867553869
            ],
            [
              -76.35633620948227,
              34.84739772882654
            ],
            [
              -76.34524001829266,
              34.84739772882654
            ],
            [
              -76.34524001829266,
              34.83873867553869
            ],
            [
              -76.35633620948227,
              34.83873867553869
            ]
          ]
        ]
      },
      "bbox": [
        -76.35633620948227,
        34.83873867553869,
        -76.34524001829266,
        34.84739772882654
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:50.578009+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7656_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7656_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7656_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            947,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            375998.5,
            0.0,
            -1.0,
            3856945.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.029,
                "maximum": 0.594,
                "mean": -0.99,
                "stddev": 1.031
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7655_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.35619643330237,
              34.8297235209174
            ],
            [
              -76.35619643330237,
              34.83887838218035
            ],
            [
              -76.3450933645025,
              34.83887838218035
            ],
            [
              -76.3450933645025,
              34.8297235209174
            ],
            [
              -76.35619643330237,
              34.8297235209174
            ]
          ]
        ]
      },
      "bbox": [
        -76.35619643330237,
        34.8297235209174,
        -76.3450933645025,
        34.83887838218035
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:50.624972+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7655_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7655_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7655_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            375998.5,
            0.0,
            -1.0,
            3856000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.65,
                "maximum": 1.65,
                "mean": -0.32,
                "stddev": 0.591
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7854_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.33418239688392,
              34.82607074055643
            ],
            [
              -76.33418239688392,
              34.83002550824211
            ],
            [
              -76.33027099091032,
              34.83002550824211
            ],
            [
              -76.33027099091032,
              34.82607074055643
            ],
            [
              -76.33418239688392,
              34.82607074055643
            ]
          ]
        ]
      },
      "bbox": [
        -76.33418239688392,
        34.82607074055643,
        -76.33027099091032,
        34.83002550824211
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:50.648941+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7854_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7854_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7854_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            434,
            352
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            377998.5,
            0.0,
            -1.0,
            3855000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -8.379,
                "maximum": -1.685,
                "mean": -5.665,
                "stddev": 1.506
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7757_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.34342066675269,
              34.850089190645065
            ],
            [
              -76.34342066675269,
              34.85486453231555
            ],
            [
              -76.33458502492914,
              34.85486453231555
            ],
            [
              -76.33458502492914,
              34.850089190645065
            ],
            [
              -76.34342066675269,
              34.850089190645065
            ]
          ]
        ]
      },
      "bbox": [
        -76.34342066675269,
        34.850089190645065,
        -76.33458502492914,
        34.85486453231555
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:50.672070+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7757_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7757_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7757_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            519,
            801
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            377190.5,
            0.0,
            -1.0,
            3857760.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.566,
                "maximum": -0.023,
                "mean": -0.289,
                "stddev": 0.061
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7856_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.33447339178579,
              34.83898056181843
            ],
            [
              -76.33447339178579,
              34.84812332199874
            ],
            [
              -76.32431168101849,
              34.84812332199874
            ],
            [
              -76.32431168101849,
              34.83898056181843
            ],
            [
              -76.33447339178579,
              34.83898056181843
            ]
          ]
        ]
      },
      "bbox": [
        -76.33447339178579,
        34.83898056181843,
        -76.32431168101849,
        34.84812332199874
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:50.717429+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7856_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7856_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7856_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            916
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            377998.5,
            0.0,
            -1.0,
            3857000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.677,
                "maximum": 4.63,
                "mean": 1.091,
                "stddev": 0.485
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7855_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.33432742553468,
              34.829965326513
            ],
            [
              -76.33432742553468,
              34.8390559939238
            ],
            [
              -76.32646328107506,
              34.8390559939238
            ],
            [
              -76.32646328107506,
              34.829965326513
            ],
            [
              -76.33432742553468,
              34.829965326513
            ]
          ]
        ]
      },
      "bbox": [
        -76.33432742553468,
        34.829965326513,
        -76.32646328107506,
        34.8390559939238
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:50.777580+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7855_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7855_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7855_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            999,
            706
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            377998.5,
            0.0,
            -1.0,
            3855997.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.727,
                "maximum": -0.937,
                "mean": -3.009,
                "stddev": 1.592
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7756_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.34538512838722,
              34.83886010991958
            ],
            [
              -76.34538512838722,
              34.84655358870562
            ],
            [
              -76.3343057023354,
              34.84655358870562
            ],
            [
              -76.3343057023354,
              34.83886010991958
            ],
            [
              -76.34538512838722,
              34.83886010991958
            ]
          ]
        ]
      },
      "bbox": [
        -76.34538512838722,
        34.83886010991958,
        -76.3343057023354,
        34.84655358870562
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:50.822811+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7756_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7756_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7756_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            840,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            376998.5,
            0.0,
            -1.0,
            3856838.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.397,
                "maximum": 2.205,
                "mean": -1.201,
                "stddev": 1.485
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7858_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.33310114535259,
              34.85702814644138
            ],
            [
              -76.33310114535259,
              34.859978511421474
            ],
            [
              -76.32624113917022,
              34.859978511421474
            ],
            [
              -76.32624113917022,
              34.85702814644138
            ],
            [
              -76.33310114535259,
              34.85702814644138
            ]
          ]
        ]
      },
      "bbox": [
        -76.33310114535259,
        34.85702814644138,
        -76.32624113917022,
        34.859978511421474
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:50.868003+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7858_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7858_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7858_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            319,
            623
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            378141.5,
            0.0,
            -1.0,
            3858317.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.455,
                "maximum": -0.074,
                "mean": -0.267,
                "stddev": 0.049
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7857_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.33383154113473,
              34.84800442070668
            ],
            [
              -76.33383154113473,
              34.857148689335276
            ],
            [
              -76.32352659289784,
              34.857148689335276
            ],
            [
              -76.32352659289784,
              34.84800442070668
            ],
            [
              -76.33383154113473,
              34.84800442070668
            ]
          ]
        ]
      },
      "bbox": [
        -76.33383154113473,
        34.84800442070668,
        -76.32352659289784,
        34.857148689335276
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:50.891466+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7857_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7857_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7857_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            929
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            378070.5,
            0.0,
            -1.0,
            3858000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.585,
                "maximum": 1.842,
                "mean": 0.161,
                "stddev": 0.47
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7960_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.3142371485353,
              34.875266753243864
            ],
            [
              -76.3142371485353,
              34.87610026197573
            ],
            [
              -76.31300983387239,
              34.87610026197573
            ],
            [
              -76.31300983387239,
              34.875266753243864
            ],
            [
              -76.3142371485353,
              34.875266753243864
            ]
          ]
        ]
      },
      "bbox": [
        -76.3142371485353,
        34.875266753243864,
        -76.31300983387239,
        34.87610026197573
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:50.932640+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7960_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7960_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7960_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            91,
            111
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            379889.5,
            0.0,
            -1.0,
            3860089.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.493,
                "maximum": -1.036,
                "mean": -1.243,
                "stddev": 0.071
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7959_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.31608390339055,
              34.87184788787895
            ],
            [
              -76.31608390339055,
              34.87528888933638
            ],
            [
              -76.31295578924316,
              34.87528888933638
            ],
            [
              -76.31295578924316,
              34.87184788787895
            ],
            [
              -76.31608390339055,
              34.87184788787895
            ]
          ]
        ]
      },
      "bbox": [
        -76.31608390339055,
        34.87184788787895,
        -76.31295578924316,
        34.87528888933638
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:50.959527+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7959_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7959_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7959_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            378,
            281
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            379719.5,
            0.0,
            -1.0,
            3859999.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.597,
                "maximum": -0.741,
                "mean": -1.139,
                "stddev": 0.069
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7958_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.31877993672055,
              34.857184371984616
            ],
            [
              -76.31877993672055,
              34.860530902892854
            ],
            [
              -76.31272322826241,
              34.860530902892854
            ],
            [
              -76.31272322826241,
              34.857184371984616
            ],
            [
              -76.31877993672055,
              34.857184371984616
            ]
          ]
        ]
      },
      "bbox": [
        -76.31877993672055,
        34.857184371984616,
        -76.31272322826241,
        34.860530902892854
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:51.079864+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7958_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7958_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7958_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            364,
            549
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            379451.5,
            0.0,
            -1.0,
            3858362.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.622,
                "maximum": 3.48,
                "mean": 1.066,
                "stddev": 0.565
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD7957_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.3236822193997,
              34.84846688736937
            ],
            [
              -76.3236822193997,
              34.85726737245349
            ],
            [
              -76.31258560478655,
              34.85726737245349
            ],
            [
              -76.31258560478655,
              34.84846688736937
            ],
            [
              -76.3236822193997,
              34.84846688736937
            ]
          ]
        ]
      },
      "bbox": [
        -76.3236822193997,
        34.84846688736937,
        -76.31258560478655,
        34.85726737245349
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:51.116053+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD7957_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD7957_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD7957_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            963,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            378998.5,
            0.0,
            -1.0,
            3858000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.413,
                "maximum": 5.136,
                "mean": 0.635,
                "stddev": 0.572
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8057_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.31274538846667,
              34.85623939430823
            ],
            [
              -76.31274538846667,
              34.857284364695076
            ],
            [
              -76.31113229652556,
              34.857284364695076
            ],
            [
              -76.31113229652556,
              34.85623939430823
            ],
            [
              -76.31274538846667,
              34.85623939430823
            ]
          ]
        ]
      },
      "bbox": [
        -76.31274538846667,
        34.85623939430823,
        -76.31113229652556,
        34.857284364695076
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:51.139535+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8057_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8057_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8057_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            114,
            146
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            379998.5,
            0.0,
            -1.0,
            3858000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.123,
                "maximum": 1.931,
                "mean": 1.127,
                "stddev": 0.597
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8060_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.31317324843006,
              34.87527963777991
            ],
            [
              -76.31317324843006,
              34.88429561918269
            ],
            [
              -76.30207055539361,
              34.88429561918269
            ],
            [
              -76.30207055539361,
              34.87527963777991
            ],
            [
              -76.31317324843006,
              34.87527963777991
            ]
          ]
        ]
      },
      "bbox": [
        -76.31317324843006,
        34.87527963777991,
        -76.30207055539361,
        34.88429561918269
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:51.162472+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8060_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8060_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8060_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            987,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            379998.5,
            0.0,
            -1.0,
            3860985.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.625,
                "maximum": -0.079,
                "mean": -0.982,
                "stddev": 0.259
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8058_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.31288866196414,
              34.857249105746774
            ],
            [
              -76.31288866196414,
              34.8664002655616
            ],
            [
              -76.3017863359737,
              34.8664002655616
            ],
            [
              -76.3017863359737,
              34.857249105746774
            ],
            [
              -76.31288866196414,
              34.857249105746774
            ]
          ]
        ]
      },
      "bbox": [
        -76.31288866196414,
        34.857249105746774,
        -76.3017863359737,
        34.8664002655616
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:51.185831+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8058_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8058_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8058_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            379998.5,
            0.0,
            -1.0,
            3859000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.971,
                "maximum": 5.932,
                "mean": 0.919,
                "stddev": 1.088
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8059_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.31303199910353,
              34.86626437871669
            ],
            [
              -76.31303199910353,
              34.87541556390415
            ],
            [
              -76.30192841412804,
              34.87541556390415
            ],
            [
              -76.30192841412804,
              34.86626437871669
            ],
            [
              -76.31303199910353,
              34.86626437871669
            ]
          ]
        ]
      },
      "bbox": [
        -76.31303199910353,
        34.86626437871669,
        -76.30192841412804,
        34.87541556390415
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:51.209088+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8059_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8059_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8059_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            379998.5,
            0.0,
            -1.0,
            3860000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.672,
                "maximum": 1.822,
                "mean": -0.665,
                "stddev": 0.356
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8158_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.30195057458575,
              34.86464204652205
            ],
            [
              -76.30195057458575,
              34.866422969947315
            ],
            [
              -76.2997790369619,
              34.866422969947315
            ],
            [
              -76.2997790369619,
              34.86464204652205
            ],
            [
              -76.30195057458575,
              34.86464204652205
            ]
          ]
        ]
      },
      "bbox": [
        -76.30195057458575,
        34.86464204652205,
        -76.2997790369619,
        34.866422969947315
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:51.254837+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8158_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8158_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8158_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            195,
            196
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            380998.5,
            0.0,
            -1.0,
            3859000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.161,
                "maximum": 5.016,
                "mean": 1.975,
                "stddev": 0.655
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8159_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.30209271836434,
              34.866382000692525
            ],
            [
              -76.30209271836434,
              34.87553223935062
            ],
            [
              -76.29099026589789,
              34.87553223935062
            ],
            [
              -76.29099026589789,
              34.866382000692525
            ],
            [
              -76.30209271836434,
              34.866382000692525
            ]
          ]
        ]
      },
      "bbox": [
        -76.30209271836434,
        34.866382000692525,
        -76.29099026589789,
        34.87553223935062
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:51.317496+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8159_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8159_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8159_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            380998.5,
            0.0,
            -1.0,
            3860000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.105,
                "maximum": 5.167,
                "mean": 0.625,
                "stddev": 0.994
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8259_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.29115323350351,
              34.87296263730478
            ],
            [
              -76.29115323350351,
              34.875564638820165
            ],
            [
              -76.28718607961544,
              34.875564638820165
            ],
            [
              -76.28718607961544,
              34.87296263730478
            ],
            [
              -76.29115323350351,
              34.87296263730478
            ]
          ]
        ]
      },
      "bbox": [
        -76.29115323350351,
        34.87296263730478,
        -76.28718607961544,
        34.875564638820165
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:51.341084+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8259_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8259_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8259_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            284,
            359
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            381998.5,
            0.0,
            -1.0,
            3859999.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.572,
                "maximum": 5.737,
                "mean": 1.509,
                "stddev": 0.792
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8161_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.30219926862344,
              34.88441434139138
            ],
            [
              -76.30219926862344,
              34.892688387750724
            ],
            [
              -76.29127222426315,
              34.892688387750724
            ],
            [
              -76.29127222426315,
              34.88441434139138
            ],
            [
              -76.30219926862344,
              34.88441434139138
            ]
          ]
        ]
      },
      "bbox": [
        -76.30219926862344,
        34.88441434139138,
        -76.29127222426315,
        34.892688387750724
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:51.374951+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8161_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8161_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8161_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            905,
            987
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            381013.5,
            0.0,
            -1.0,
            3861903.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.513,
                "maximum": 0.847,
                "mean": -0.627,
                "stddev": 0.328
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8260_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.29129438748541,
              34.87551397632117
            ],
            [
              -76.29129438748541,
              34.88466329284155
            ],
            [
              -76.28019180954942,
              34.88466329284155
            ],
            [
              -76.28019180954942,
              34.87551397632117
            ],
            [
              -76.29129438748541,
              34.87551397632117
            ]
          ]
        ]
      },
      "bbox": [
        -76.29129438748541,
        34.87551397632117,
        -76.28019180954942,
        34.88466329284155
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:51.398287+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8260_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8260_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8260_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            381998.5,
            0.0,
            -1.0,
            3861000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.57,
                "maximum": 3.855,
                "mean": 0.242,
                "stddev": 0.551
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8160_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.30223492528283,
              34.87539729898476
            ],
            [
              -76.30223492528283,
              34.88454756270188
            ],
            [
              -76.29113121377601,
              34.88454756270188
            ],
            [
              -76.29113121377601,
              34.87539729898476
            ],
            [
              -76.30223492528283,
              34.87539729898476
            ]
          ]
        ]
      },
      "bbox": [
        -76.30223492528283,
        34.87539729898476,
        -76.29113121377601,
        34.88454756270188
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:51.461900+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8160_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8160_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8160_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            380998.5,
            0.0,
            -1.0,
            3861000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.45,
                "maximum": 1.468,
                "mean": -0.227,
                "stddev": 0.446
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8262_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.28720802820494,
              34.89358952904399
            ],
            [
              -76.28720802820494,
              34.89407558130144
            ],
            [
              -76.28557038787672,
              34.89407558130144
            ],
            [
              -76.28557038787672,
              34.89358952904399
            ],
            [
              -76.28720802820494,
              34.89358952904399
            ]
          ]
        ]
      },
      "bbox": [
        -76.28720802820494,
        34.89358952904399,
        -76.28557038787672,
        34.89407558130144
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:51.484489+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8262_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8262_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8262_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            52,
            149
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            382385.5,
            0.0,
            -1.0,
            3862050.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.556,
                "maximum": -0.276,
                "mean": -0.447,
                "stddev": 0.061
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8261_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.29143532201623,
              34.88452929962274
            ],
            [
              -76.29143532201623,
              34.89366962554723
            ],
            [
              -76.28033162609188,
              34.89366962554723
            ],
            [
              -76.28033162609188,
              34.88452929962274
            ],
            [
              -76.29143532201623,
              34.88452929962274
            ]
          ]
        ]
      },
      "bbox": [
        -76.29143532201623,
        34.88452929962274,
        -76.28033162609188,
        34.89366962554723
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:51.524056+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8261_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8261_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8261_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1001,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            381998.5,
            0.0,
            -1.0,
            3861999.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.208,
                "maximum": 2.159,
                "mean": -0.098,
                "stddev": 0.322
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8360_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.28035378705047,
              34.88292309860674
            ],
            [
              -76.28035378705047,
              34.884720444582676
            ],
            [
              -76.27486752926666,
              34.884720444582676
            ],
            [
              -76.27486752926666,
              34.88292309860674
            ],
            [
              -76.28035378705047,
              34.88292309860674
            ]
          ]
        ]
      },
      "bbox": [
        -76.28035378705047,
        34.88292309860674,
        -76.27486752926666,
        34.884720444582676
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:51.546995+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8360_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8360_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8360_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            193,
            499
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            382998.5,
            0.0,
            -1.0,
            3861000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.66,
                "maximum": 2.148,
                "mean": 0.966,
                "stddev": 0.503
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8363_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.27253992851145,
              34.90347402283472
            ],
            [
              -76.27253992851145,
              34.909462133434765
            ],
            [
              -76.26967935925175,
              34.909462133434765
            ],
            [
              -76.26967935925175,
              34.90347402283472
            ],
            [
              -76.27253992851145,
              34.90347402283472
            ]
          ]
        ]
      },
      "bbox": [
        -76.27253992851145,
        34.90347402283472,
        -76.26967935925175,
        34.909462133434765
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:51.715188+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8363_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8363_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8363_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            661,
            253
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            383747.5,
            0.0,
            -1.0,
            3863738.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.867,
                "maximum": -1.151,
                "mean": -1.471,
                "stddev": 0.071
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8461_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.26955181116716,
              34.88853722798333
            ],
            [
              -76.26955181116716,
              34.89387784502969
            ],
            [
              -76.26134162713367,
              34.89387784502969
            ],
            [
              -76.26134162713367,
              34.88853722798333
            ],
            [
              -76.26955181116716,
              34.88853722798333
            ]
          ]
        ]
      },
      "bbox": [
        -76.26955181116716,
        34.88853722798333,
        -76.26134162713367,
        34.89387784502969
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:51.738095+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8461_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8461_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8461_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            583,
            743
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            383998.5,
            0.0,
            -1.0,
            3862000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.873,
                "maximum": 3.811,
                "mean": 0.969,
                "stddev": 0.817
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8361_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.28049352830027,
              34.88464503165369
            ],
            [
              -76.28049352830027,
              34.89378440967575
            ],
            [
              -76.26939096581431,
              34.89378440967575
            ],
            [
              -76.26939096581431,
              34.88464503165369
            ],
            [
              -76.28049352830027,
              34.88464503165369
            ]
          ]
        ]
      },
      "bbox": [
        -76.28049352830027,
        34.88464503165369,
        -76.26939096581431,
        34.89378440967575
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:51.790387+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8361_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8361_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8361_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1001,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            382998.5,
            0.0,
            -1.0,
            3861999.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.74,
                "maximum": 4.496,
                "mean": 0.438,
                "stddev": 0.84
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8464_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.26604439717929,
              34.91184609379098
            ],
            [
              -76.26604439717929,
              34.91632852458002
            ],
            [
              -76.25886289605954,
              34.91632852458002
            ],
            [
              -76.25886289605954,
              34.91184609379098
            ],
            [
              -76.26604439717929,
              34.91184609379098
            ]
          ]
        ]
      },
      "bbox": [
        -76.26604439717929,
        34.91184609379098,
        -76.25886289605954,
        34.91632852458002
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:51.827716+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8464_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8464_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8464_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            489,
            650
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            384350.5,
            0.0,
            -1.0,
            3864487.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.635,
                "maximum": -0.564,
                "mean": -1.127,
                "stddev": 0.179
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8562_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.25874744572066,
              34.89613380565799
            ],
            [
              -76.25874744572066,
              34.903021884827
            ],
            [
              -76.24900372151025,
              34.903021884827
            ],
            [
              -76.24900372151025,
              34.89613380565799
            ],
            [
              -76.25874744572066,
              34.89613380565799
            ]
          ]
        ]
      },
      "bbox": [
        -76.25874744572066,
        34.89613380565799,
        -76.24900372151025,
        34.903021884827
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:51.851422+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8562_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8562_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8562_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            753,
            881
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            384998.5,
            0.0,
            -1.0,
            3863000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.375,
                "maximum": 4.57,
                "mean": 0.858,
                "stddev": 0.817
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8462_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.26964678709805,
              34.89377562287801
            ],
            [
              -76.26964678709805,
              34.90292263501181
            ],
            [
              -76.25858773357848,
              34.90292263501181
            ],
            [
              -76.25858773357848,
              34.89377562287801
            ],
            [
              -76.26964678709805,
              34.89377562287801
            ]
          ]
        ]
      },
      "bbox": [
        -76.26964678709805,
        34.89377562287801,
        -76.25858773357848,
        34.90292263501181
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:51.874981+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8462_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8462_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8462_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            998
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            384002.5,
            0.0,
            -1.0,
            3863000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.72,
                "maximum": 3.538,
                "mean": -0.083,
                "stddev": 0.855
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8463_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.26982936932505,
              34.90279053809128
            ],
            [
              -76.26982936932505,
              34.91193803150928
            ],
            [
              -76.25872528426923,
              34.91193803150928
            ],
            [
              -76.25872528426923,
              34.90279053809128
            ],
            [
              -76.26982936932505,
              34.90279053809128
            ]
          ]
        ]
      },
      "bbox": [
        -76.26982936932505,
        34.90279053809128,
        -76.25872528426923,
        34.91193803150928
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:51.898552+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8463_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8463_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8463_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            383998.5,
            0.0,
            -1.0,
            3864000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.821,
                "maximum": 0.015,
                "mean": -1.029,
                "stddev": 0.366
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8564_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.25902273545555,
              34.911919773962616
            ],
            [
              -76.25902273545555,
              34.92106634198396
            ],
            [
              -76.24791852790149,
              34.92106634198396
            ],
            [
              -76.24791852790149,
              34.911919773962616
            ],
            [
              -76.25902273545555,
              34.911919773962616
            ]
          ]
        ]
      },
      "bbox": [
        -76.25902273545555,
        34.911919773962616,
        -76.24791852790149,
        34.92106634198396
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:51.938969+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8564_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8564_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8564_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            384998.5,
            0.0,
            -1.0,
            3865000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.786,
                "maximum": -0.101,
                "mean": -0.994,
                "stddev": 0.266
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8563_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.25888506002438,
              34.90290437751297
            ],
            [
              -76.25888506002438,
              34.91205092173173
            ],
            [
              -76.24778211172779,
              34.91205092173173
            ],
            [
              -76.24778211172779,
              34.90290437751297
            ],
            [
              -76.25888506002438,
              34.90290437751297
            ]
          ]
        ]
      },
      "bbox": [
        -76.25888506002438,
        34.90290437751297,
        -76.24778211172779,
        34.91205092173173
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:51.962074+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8563_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8563_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8563_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            384998.5,
            0.0,
            -1.0,
            3864000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.524,
                "maximum": 4.38,
                "mean": -0.129,
                "stddev": 0.692
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8565_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.25485204144101,
              34.92097909029716
            ],
            [
              -76.25485204144101,
              34.92606989423988
            ],
            [
              -76.24805500467066,
              34.92606989423988
            ],
            [
              -76.24805500467066,
              34.92097909029716
            ],
            [
              -76.25485204144101,
              34.92097909029716
            ]
          ]
        ]
      },
      "bbox": [
        -76.25485204144101,
        34.92097909029716,
        -76.24805500467066,
        34.92606989423988
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:52.004185+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8565_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8565_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8565_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            557,
            614
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            385386.5,
            0.0,
            -1.0,
            3865555.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.833,
                "maximum": -0.454,
                "mean": -1.26,
                "stddev": 0.223
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8663_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.24794068959629,
              34.90417120834399
            ],
            [
              -76.24794068959629,
              34.91215758921509
            ],
            [
              -76.23737052399072,
              34.91215758921509
            ],
            [
              -76.23737052399072,
              34.90417120834399
            ],
            [
              -76.24794068959629,
              34.90417120834399
            ]
          ]
        ]
      },
      "bbox": [
        -76.24794068959629,
        34.90417120834399,
        -76.23737052399072,
        34.91215758921509
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:52.027802+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8663_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8663_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8663_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            874,
            955
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            385998.5,
            0.0,
            -1.0,
            3864000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.716,
                "maximum": 4.02,
                "mean": 0.928,
                "stddev": 0.755
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8664_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.248077168879,
              34.912032666080336
            ],
            [
              -76.248077168879,
              34.921178284234784
            ],
            [
              -76.23697409914797,
              34.921178284234784
            ],
            [
              -76.23697409914797,
              34.912032666080336
            ],
            [
              -76.248077168879,
              34.912032666080336
            ]
          ]
        ]
      },
      "bbox": [
        -76.248077168879,
        34.912032666080336,
        -76.23697409914797,
        34.921178284234784
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:52.081002+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8664_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8664_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8664_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            385998.5,
            0.0,
            -1.0,
            3865000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.234,
                "maximum": 3.647,
                "mean": -0.185,
                "stddev": 0.618
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8666_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.24090446159973,
              34.93013862919395
            ],
            [
              -76.24090446159973,
              34.931838818308606
            ],
            [
              -76.23947787694073,
              34.931838818308606
            ],
            [
              -76.23947787694073,
              34.93013862919395
            ],
            [
              -76.24090446159973,
              34.93013862919395
            ]
          ]
        ]
      },
      "bbox": [
        -76.24090446159973,
        34.93013862919395,
        -76.23947787694073,
        34.931838818308606
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:52.131147+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8666_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8666_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8666_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            187,
            128
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            386668.5,
            0.0,
            -1.0,
            3866185.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.641,
                "maximum": -1.139,
                "mean": -1.303,
                "stddev": 0.08
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8665_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.24821357221467,
              34.92104808628539
            ],
            [
              -76.24821357221467,
              34.93018471249101
            ],
            [
              -76.23710937974319,
              34.93018471249101
            ],
            [
              -76.23710937974319,
              34.92104808628539
            ],
            [
              -76.24821357221467,
              34.92104808628539
            ]
          ]
        ]
      },
      "bbox": [
        -76.24821357221467,
        34.92104808628539,
        -76.23710937974319,
        34.93018471249101
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:52.268398+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8665_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8665_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8665_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1001,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            385998.5,
            0.0,
            -1.0,
            3865999.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.783,
                "maximum": -0.066,
                "mean": -0.912,
                "stddev": 0.284
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8764_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.23713154167937,
              34.912667469840365
            ],
            [
              -76.23713154167937,
              34.92128924086724
            ],
            [
              -76.22603738559816,
              34.92128924086724
            ],
            [
              -76.22603738559816,
              34.912667469840365
            ],
            [
              -76.23713154167937,
              34.912667469840365
            ]
          ]
        ]
      },
      "bbox": [
        -76.23713154167937,
        34.912667469840365,
        -76.22603738559816,
        34.92128924086724
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:52.291400+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8764_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8764_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8764_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            944,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            386998.5,
            0.0,
            -1.0,
            3865000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.861,
                "maximum": 4.452,
                "mean": 0.913,
                "stddev": 0.752
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8767_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.22827848443781,
              34.93928401604569
            ],
            [
              -76.22827848443781,
              34.942719015754754
            ],
            [
              -76.22643204222021,
              34.942719015754754
            ],
            [
              -76.22643204222021,
              34.93928401604569
            ],
            [
              -76.22827848443781,
              34.93928401604569
            ]
          ]
        ]
      },
      "bbox": [
        -76.22827848443781,
        34.93928401604569,
        -76.22643204222021,
        34.942719015754754
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:52.368634+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8767_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8767_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8767_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            379,
            164
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            387836.5,
            0.0,
            -1.0,
            3867377.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.958,
                "maximum": -0.856,
                "mean": -1.595,
                "stddev": 0.2
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8766_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.2365811841804,
              34.93018383294275
            ],
            [
              -76.2365811841804,
              34.939320188360114
            ],
            [
              -76.22629783867954,
              34.939320188360114
            ],
            [
              -76.22629783867954,
              34.93018383294275
            ],
            [
              -76.2365811841804,
              34.93018383294275
            ]
          ]
        ]
      },
      "bbox": [
        -76.2365811841804,
        34.93018383294275,
        -76.22629783867954,
        34.939320188360114
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:52.400956+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8766_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8766_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8766_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            927
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            387073.5,
            0.0,
            -1.0,
            3867000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.758,
                "maximum": -0.051,
                "mean": -0.85,
                "stddev": 0.282
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8765_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.23726688487916,
              34.921160030432794
            ],
            [
              -76.23726688487916,
              34.930304721540566
            ],
            [
              -76.22616369472479,
              34.930304721540566
            ],
            [
              -76.22616369472479,
              34.921160030432794
            ],
            [
              -76.23726688487916,
              34.921160030432794
            ]
          ]
        ]
      },
      "bbox": [
        -76.23726688487916,
        34.921160030432794,
        -76.22616369472479,
        34.930304721540566
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:52.424344+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8765_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8765_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8765_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            386998.5,
            0.0,
            -1.0,
            3866000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.532,
                "maximum": 5.113,
                "mean": -0.298,
                "stddev": 0.653
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8864_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.2261858543877,
              34.92119886506168
            ],
            [
              -76.2261858543877,
              34.92129056636208
            ],
            [
              -76.22603127334526,
              34.92129056636208
            ],
            [
              -76.22603127334526,
              34.92119886506168
            ],
            [
              -76.2261858543877,
              34.92119886506168
            ]
          ]
        ]
      },
      "bbox": [
        -76.2261858543877,
        34.92119886506168,
        -76.22603127334526,
        34.92129056636208
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:52.446495+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8864_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8864_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8864_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            10,
            14
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            387998.5,
            0.0,
            -1.0,
            3865000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.23,
                "maximum": 0.465,
                "mean": 0.322,
                "stddev": 0.064
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8865_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.22632000085508,
              34.92127098896255
            ],
            [
              -76.22632000085508,
              34.93041396256227
            ],
            [
              -76.21529457056438,
              34.93041396256227
            ],
            [
              -76.21529457056438,
              34.92127098896255
            ],
            [
              -76.22632000085508,
              34.92127098896255
            ]
          ]
        ]
      },
      "bbox": [
        -76.22632000085508,
        34.92127098896255,
        -76.21529457056438,
        34.93041396256227
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:52.469973+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8865_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8865_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8865_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            995
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            387998.5,
            0.0,
            -1.0,
            3866000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.659,
                "maximum": 6.161,
                "mean": 1.078,
                "stddev": 0.984
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8866_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.22645420690951,
              34.93028646958996
            ],
            [
              -76.22645420690951,
              34.9394302326684
            ],
            [
              -76.21535089734384,
              34.9394302326684
            ],
            [
              -76.21535089734384,
              34.93028646958996
            ],
            [
              -76.22645420690951,
              34.93028646958996
            ]
          ]
        ]
      },
      "bbox": [
        -76.22645420690951,
        34.93028646958996,
        -76.21535089734384,
        34.9394302326684
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:52.515684+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8866_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8866_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8866_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            387998.5,
            0.0,
            -1.0,
            3867000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.388,
                "maximum": 4.943,
                "mean": -0.08,
                "stddev": 0.666
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8868_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.21971510391127,
              34.948386966439266
            ],
            [
              -76.21971510391127,
              34.95085285568925
            ],
            [
              -76.21561696892796,
              34.95085285568925
            ],
            [
              -76.21561696892796,
              34.948386966439266
            ],
            [
              -76.21971510391127,
              34.948386966439266
            ]
          ]
        ]
      },
      "bbox": [
        -76.21971510391127,
        34.948386966439266,
        -76.21561696892796,
        34.95085285568925
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:52.559875+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8868_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8868_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8868_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            269,
            371
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            388629.5,
            0.0,
            -1.0,
            3868267.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.29,
                "maximum": -0.312,
                "mean": -0.891,
                "stddev": 0.132
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8867_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.22658847257708,
              34.939301936363556
            ],
            [
              -76.22658847257708,
              34.94844572230008
            ],
            [
              -76.21548390359568,
              34.94844572230008
            ],
            [
              -76.21548390359568,
              34.939301936363556
            ],
            [
              -76.22658847257708,
              34.939301936363556
            ]
          ]
        ]
      },
      "bbox": [
        -76.22658847257708,
        34.939301936363556,
        -76.21548390359568,
        34.94844572230008
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:52.583391+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8867_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8867_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8867_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            387998.5,
            0.0,
            -1.0,
            3868000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.948,
                "maximum": -0.014,
                "mean": -0.675,
                "stddev": 0.317
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8966_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.21550593297027,
              34.930459587709244
            ],
            [
              -76.21550593297027,
              34.9395301665683
            ],
            [
              -76.2044157664508,
              34.9395301665683
            ],
            [
              -76.2044157664508,
              34.930459587709244
            ],
            [
              -76.21550593297027,
              34.930459587709244
            ]
          ]
        ]
      },
      "bbox": [
        -76.21550593297027,
        34.930459587709244,
        -76.2044157664508,
        34.9395301665683
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:52.623418+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8966_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8966_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8966_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            994,
            1001
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            388998.5,
            0.0,
            -1.0,
            3866999.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.445,
                "maximum": 6.252,
                "mean": 1.307,
                "stddev": 0.895
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8969_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.20689996617367,
              34.95753174771194
            ],
            [
              -76.20689996617367,
              34.95965291010016
            ],
            [
              -76.20479949943712,
              34.95965291010016
            ],
            [
              -76.20479949943712,
              34.95753174771194
            ],
            [
              -76.20689996617367,
              34.95753174771194
            ]
          ]
        ]
      },
      "bbox": [
        -76.20689996617367,
        34.95753174771194,
        -76.20479949943712,
        34.95965291010016
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:52.646288+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8969_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8969_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8969_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            233,
            189
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            389811.5,
            0.0,
            -1.0,
            3869231.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.228,
                "maximum": -0.326,
                "mean": -0.746,
                "stddev": 0.194
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8968_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.2157722608083,
              34.94842747215748
            ],
            [
              -76.2157722608083,
              34.957570328766515
            ],
            [
              -76.20466757337664,
              34.957570328766515
            ],
            [
              -76.20466757337664,
              34.94842747215748
            ],
            [
              -76.2157722608083,
              34.94842747215748
            ]
          ]
        ]
      },
      "bbox": [
        -76.2157722608083,
        34.94842747215748,
        -76.20466757337664,
        34.957570328766515
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:52.680834+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8968_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8968_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8968_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            388998.5,
            0.0,
            -1.0,
            3869000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.567,
                "maximum": -0.03,
                "mean": -0.791,
                "stddev": 0.375
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD8967_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.21563913385468,
              34.93941198257112
            ],
            [
              -76.21563913385468,
              34.94855481663731
            ],
            [
              -76.20453570589069,
              34.94855481663731
            ],
            [
              -76.20453570589069,
              34.93941198257112
            ],
            [
              -76.21563913385468,
              34.93941198257112
            ]
          ]
        ]
      },
      "bbox": [
        -76.21563913385468,
        34.93941198257112,
        -76.20453570589069,
        34.94855481663731
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:52.704532+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD8967_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD8967_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD8967_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            388998.5,
            0.0,
            -1.0,
            3868000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.862,
                "maximum": 5.697,
                "mean": 0.022,
                "stddev": 0.584
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9069_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.204953651775,
              34.95755208047986
            ],
            [
              -76.204953651775,
              34.96669400677796
            ],
            [
              -76.19384884690744,
              34.96669400677796
            ],
            [
              -76.19384884690744,
              34.95755208047986
            ],
            [
              -76.204953651775,
              34.95755208047986
            ]
          ]
        ]
      },
      "bbox": [
        -76.204953651775,
        34.95755208047986,
        -76.19384884690744,
        34.96669400677796
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:52.727747+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9069_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9069_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9069_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            389998.5,
            0.0,
            -1.0,
            3870000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.086,
                "maximum": 1.03,
                "mean": -0.336,
                "stddev": 0.22
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9067_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.20468973602483,
              34.939539073534846
            ],
            [
              -76.20468973602483,
              34.94866292431854
            ],
            [
              -76.19358771091818,
              34.94866292431854
            ],
            [
              -76.19358771091818,
              34.939539073534846
            ],
            [
              -76.20468973602483,
              34.939539073534846
            ]
          ]
        ]
      },
      "bbox": [
        -76.20468973602483,
        34.939539073534846,
        -76.19358771091818,
        34.94866292431854
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:52.794511+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9067_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9067_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9067_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1000,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            389998.5,
            0.0,
            -1.0,
            3868000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.165,
                "maximum": 6.252,
                "mean": 1.261,
                "stddev": 1.063
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9167_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.19374027961935,
              34.94844633576404
            ],
            [
              -76.19374027961935,
              34.948665076408155
            ],
            [
              -76.19349625474585,
              34.948665076408155
            ],
            [
              -76.19349625474585,
              34.94844633576404
            ],
            [
              -76.19374027961935,
              34.94844633576404
            ]
          ]
        ]
      },
      "bbox": [
        -76.19374027961935,
        34.94844633576404,
        -76.19349625474585,
        34.948665076408155
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:52.817538+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9167_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9167_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9167_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            24,
            22
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            390998.5,
            0.0,
            -1.0,
            3868000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.295,
                "maximum": 1.381,
                "mean": 0.666,
                "stddev": 0.261
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9068_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.20482166459927,
              34.94853656839534
            ],
            [
              -76.20482166459927,
              34.95767847246606
            ],
            [
              -76.19371811925083,
              34.95767847246606
            ],
            [
              -76.19371811925083,
              34.94853656839534
            ],
            [
              -76.20482166459927,
              34.94853656839534
            ]
          ]
        ]
      },
      "bbox": [
        -76.20482166459927,
        34.94853656839534,
        -76.19371811925083,
        34.95767847246606
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:52.906999+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9068_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9068_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9068_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            389998.5,
            0.0,
            -1.0,
            3869000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.293,
                "maximum": 6.217,
                "mean": -0.009,
                "stddev": 0.678
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9070_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.1956295398466,
              34.96665991955056
            ],
            [
              -76.1956295398466,
              34.96792011837551
            ],
            [
              -76.19397963263216,
              34.96792011837551
            ],
            [
              -76.19397963263216,
              34.96665991955056
            ],
            [
              -76.1956295398466,
              34.96665991955056
            ]
          ]
        ]
      },
      "bbox": [
        -76.1956295398466,
        34.96665991955056,
        -76.19397963263216,
        34.96792011837551
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:52.960875+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9070_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9070_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9070_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            138,
            149
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            390851.5,
            0.0,
            -1.0,
            3870136.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.497,
                "maximum": -0.07,
                "mean": -0.31,
                "stddev": 0.058
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9171_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.18387606837666,
              34.97579178444506
            ],
            [
              -76.18387606837666,
              34.9762675327986
            ],
            [
              -76.18315736739753,
              34.9762675327986
            ],
            [
              -76.18315736739753,
              34.97579178444506
            ],
            [
              -76.18387606837666,
              34.97579178444506
            ]
          ]
        ]
      },
      "bbox": [
        -76.18387606837666,
        34.97579178444506,
        -76.18315736739753,
        34.9762675327986
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:52.984578+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9171_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9171_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9171_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            52,
            65
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            391935.5,
            0.0,
            -1.0,
            3871050.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.547,
                "maximum": -0.293,
                "mean": -0.389,
                "stddev": 0.039
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9170_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.19413264436118,
              34.96667576034918
            ],
            [
              -76.19413264436118,
              34.97581675535268
            ],
            [
              -76.18302772307298,
              34.97581675535268
            ],
            [
              -76.18302772307298,
              34.96667576034918
            ],
            [
              -76.19413264436118,
              34.96667576034918
            ]
          ]
        ]
      },
      "bbox": [
        -76.19413264436118,
        34.96667576034918,
        -76.18302772307298,
        34.97581675535268
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:53.007698+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9170_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9170_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9170_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            390998.5,
            0.0,
            -1.0,
            3871000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.896,
                "maximum": 1.104,
                "mean": -0.338,
                "stddev": 0.194
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9168_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.19387100978892,
              34.94864467797786
            ],
            [
              -76.19387100978892,
              34.95778562916385
            ],
            [
              -76.18276860708235,
              34.95778562916385
            ],
            [
              -76.18276860708235,
              34.94864467797786
            ],
            [
              -76.19387100978892,
              34.94864467797786
            ]
          ]
        ]
      },
      "bbox": [
        -76.19387100978892,
        34.94864467797786,
        -76.18276860708235,
        34.95778562916385
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:53.031153+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9168_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9168_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9168_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            390998.5,
            0.0,
            -1.0,
            3869000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.185,
                "maximum": 6.057,
                "mean": 1.226,
                "stddev": 1.022
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9169_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.1940017980277,
              34.95766022608136
            ],
            [
              -76.1940017980277,
              34.96680119917311
            ],
            [
              -76.18289813630967,
              34.96680119917311
            ],
            [
              -76.18289813630967,
              34.95766022608136
            ],
            [
              -76.1940017980277,
              34.95766022608136
            ]
          ]
        ]
      },
      "bbox": [
        -76.1940017980277,
        34.95766022608136,
        -76.18289813630967,
        34.96680119917311
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:53.074228+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9169_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9169_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9169_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            390998.5,
            0.0,
            -1.0,
            3870000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.309,
                "maximum": 4.862,
                "mean": 0.205,
                "stddev": 0.622
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9268_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.18292029690934,
              34.95724448119946
            ],
            [
              -76.18292029690934,
              34.957791494146505
            ],
            [
              -76.18228833510979,
              34.957791494146505
            ],
            [
              -76.18228833510979,
              34.95724448119946
            ],
            [
              -76.18292029690934,
              34.95724448119946
            ]
          ]
        ]
      },
      "bbox": [
        -76.18292029690934,
        34.95724448119946,
        -76.18228833510979,
        34.957791494146505
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:53.096870+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9268_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9268_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9268_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            60,
            57
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            391998.5,
            0.0,
            -1.0,
            3869000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.296,
                "maximum": 1.766,
                "mean": 0.986,
                "stddev": 0.457
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9269_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.18304988618571,
              34.95776738468175
            ],
            [
              -76.18304988618571,
              34.966907404220834
            ],
            [
              -76.17194736817589,
              34.966907404220834
            ],
            [
              -76.17194736817589,
              34.95776738468175
            ],
            [
              -76.18304988618571,
              34.95776738468175
            ]
          ]
        ]
      },
      "bbox": [
        -76.18304988618571,
        34.95776738468175,
        -76.17194736817589,
        34.966907404220834
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:53.159341+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9269_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9269_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9269_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            391998.5,
            0.0,
            -1.0,
            3870000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.461,
                "maximum": 6.417,
                "mean": 1.166,
                "stddev": 0.988
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9369_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.17209791678138,
              34.96537454086894
            ],
            [
              -76.17209791678138,
              34.96692356650357
            ],
            [
              -76.17037855763306,
              34.96692356650357
            ],
            [
              -76.17037855763306,
              34.96537454086894
            ],
            [
              -76.17209791678138,
              34.96537454086894
            ]
          ]
        ]
      },
      "bbox": [
        -76.17209791678138,
        34.96537454086894,
        -76.17037855763306,
        34.96692356650357
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:53.182491+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9369_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9369_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9369_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            170,
            155
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            392998.5,
            0.0,
            -1.0,
            3870000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.394,
                "maximum": 5.335,
                "mean": 1.773,
                "stddev": 0.792
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9370_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.17222636410007,
              34.9668891615993
            ],
            [
              -76.17222636410007,
              34.97602824850759
            ],
            [
              -76.16112373180326,
              34.97602824850759
            ],
            [
              -76.16112373180326,
              34.9668891615993
            ],
            [
              -76.17222636410007,
              34.9668891615993
            ]
          ]
        ]
      },
      "bbox": [
        -76.17222636410007,
        34.9668891615993,
        -76.16112373180326,
        34.97602824850759
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:53.307352+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9370_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9370_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9370_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            392998.5,
            0.0,
            -1.0,
            3871000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.942,
                "maximum": 6.268,
                "mean": 1.23,
                "stddev": 0.901
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9271_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.18330443736073,
              34.975798510783754
            ],
            [
              -76.18330443736073,
              34.98460499737888
            ],
            [
              -76.1722042007581,
              34.98460499737888
            ],
            [
              -76.1722042007581,
              34.975798510783754
            ],
            [
              -76.18330443736073,
              34.975798510783754
            ]
          ]
        ]
      },
      "bbox": [
        -76.18330443736073,
        34.975798510783754,
        -76.1722042007581,
        34.98460499737888
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:53.406007+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9271_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9271_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9271_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            965,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            391998.5,
            0.0,
            -1.0,
            3871963.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.005,
                "maximum": 1.139,
                "mean": -0.254,
                "stddev": 0.297
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9270_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.18317953302441,
              34.966782954647606
            ],
            [
              -76.18317953302441,
              34.97592299577666
            ],
            [
              -76.17207575595256,
              34.97592299577666
            ],
            [
              -76.17207575595256,
              34.966782954647606
            ],
            [
              -76.18317953302441,
              34.966782954647606
            ]
          ]
        ]
      },
      "bbox": [
        -76.18317953302441,
        34.966782954647606,
        -76.17207575595256,
        34.97592299577666
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:53.449982+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9270_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9270_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9270_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            391998.5,
            0.0,
            -1.0,
            3871000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.272,
                "maximum": 3.804,
                "mean": 0.124,
                "stddev": 0.518
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9372_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.17203919435325,
              34.98492445561468
            ],
            [
              -76.17203919435325,
              34.99286940199136
            ],
            [
              -76.1613782788476,
              34.99286940199136
            ],
            [
              -76.1613782788476,
              34.98492445561468
            ],
            [
              -76.17203919435325,
              34.98492445561468
            ]
          ]
        ]
      },
      "bbox": [
        -76.17203919435325,
        34.98492445561468,
        -76.1613782788476,
        34.99286940199136
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:53.473652+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9372_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9372_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9372_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            870,
            963
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            393037.5,
            0.0,
            -1.0,
            3872868.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.788,
                "maximum": -0.078,
                "mean": -0.345,
                "stddev": 0.06
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9371_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.17235486847378,
              34.97590475311235
            ],
            [
              -76.17235486847378,
              34.98504386129461
            ],
            [
              -76.16125097706478,
              34.98504386129461
            ],
            [
              -76.16125097706478,
              34.97590475311235
            ],
            [
              -76.17235486847378,
              34.97590475311235
            ]
          ]
        ]
      },
      "bbox": [
        -76.17235486847378,
        34.97590475311235,
        -76.16125097706478,
        34.98504386129461
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:53.535670+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9371_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9371_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9371_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            392998.5,
            0.0,
            -1.0,
            3872000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.967,
                "maximum": 1.658,
                "mean": 0.169,
                "stddev": 0.498
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9470_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.1612731381207,
              34.97381921176491
            ],
            [
              -76.1612731381207,
              34.976057646757205
            ],
            [
              -76.15814226713839,
              34.976057646757205
            ],
            [
              -76.15814226713839,
              34.97381921176491
            ],
            [
              -76.1612731381207,
              34.97381921176491
            ]
          ]
        ]
      },
      "bbox": [
        -76.1612731381207,
        34.97381921176491,
        -76.15814226713839,
        34.976057646757205
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:53.558778+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9470_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9470_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9470_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            245,
            283
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            393998.5,
            0.0,
            -1.0,
            3871000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.256,
                "maximum": 5.313,
                "mean": 1.76,
                "stddev": 0.917
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9471_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.16140044241675,
              34.97601000774858
            ],
            [
              -76.16140044241675,
              34.98514816104196
            ],
            [
              -76.15029769685017,
              34.98514816104196
            ],
            [
              -76.15029769685017,
              34.97601000774858
            ],
            [
              -76.16140044241675,
              34.97601000774858
            ]
          ]
        ]
      },
      "bbox": [
        -76.16140044241675,
        34.97601000774858,
        -76.15029769685017,
        34.98514816104196
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:53.675968+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9471_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9471_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9471_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            393998.5,
            0.0,
            -1.0,
            3872000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.301,
                "maximum": 7.034,
                "mean": 0.832,
                "stddev": 0.918
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9472_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.16152780326001,
              34.98502562049345
            ],
            [
              -76.16152780326001,
              34.994163794744566
            ],
            [
              -76.15042379853153,
              34.994163794744566
            ],
            [
              -76.15042379853153,
              34.98502562049345
            ],
            [
              -76.16152780326001,
              34.98502562049345
            ]
          ]
        ]
      },
      "bbox": [
        -76.16152780326001,
        34.98502562049345,
        -76.15042379853153,
        34.994163794744566
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:53.711183+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9472_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9472_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9472_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            393998.5,
            0.0,
            -1.0,
            3873000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.374,
                "maximum": 2.964,
                "mean": -0.207,
                "stddev": 0.45
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9571_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.15044595981253,
              34.98165889950576
            ],
            [
              -76.15044595981253,
              34.9851857774216
            ],
            [
              -76.14639892026018,
              34.9851857774216
            ],
            [
              -76.14639892026018,
              34.98165889950576
            ],
            [
              -76.15044595981253,
              34.98165889950576
            ]
          ]
        ]
      },
      "bbox": [
        -76.15044595981253,
        34.98165889950576,
        -76.14639892026018,
        34.9851857774216
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:53.770824+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9571_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9571_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9571_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            387,
            365
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            394998.5,
            0.0,
            -1.0,
            3872000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.264,
                "maximum": 6.899,
                "mean": 1.975,
                "stddev": 1.122
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9473_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.16017466592366,
              34.99405515314506
            ],
            [
              -76.16017466592366,
              35.001529557227606
            ],
            [
              -76.15054995622613,
              35.001529557227606
            ],
            [
              -76.15054995622613,
              34.99405515314506
            ],
            [
              -76.16017466592366,
              34.99405515314506
            ]
          ]
        ]
      },
      "bbox": [
        -76.16017466592366,
        34.99405515314506,
        -76.15054995622613,
        35.001529557227606
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:53.843076+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9473_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9473_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9473_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            819,
            869
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            394131.5,
            0.0,
            -1.0,
            3873817.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.063,
                "maximum": 0.948,
                "mean": -0.364,
                "stddev": 0.123
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9572_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.15057212002047,
              34.985129922147436
            ],
            [
              -76.15057212002047,
              34.99426714084148
            ],
            [
              -76.13946926220224,
              34.99426714084148
            ],
            [
              -76.13946926220224,
              34.985129922147436
            ],
            [
              -76.15057212002047,
              34.985129922147436
            ]
          ]
        ]
      },
      "bbox": [
        -76.15057212002047,
        34.985129922147436,
        -76.13946926220224,
        34.99426714084148
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:53.866198+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9572_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9572_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9572_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            394998.5,
            0.0,
            -1.0,
            3873000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.49,
                "maximum": 6.947,
                "mean": 1.105,
                "stddev": 0.849
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9672_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.139616380742,
              34.9907147635764
            ],
            [
              -76.139616380742,
              34.99431434814219
            ],
            [
              -76.13450578831689,
              34.99431434814219
            ],
            [
              -76.13450578831689,
              34.9907147635764
            ],
            [
              -76.139616380742,
              34.9907147635764
            ]
          ]
        ]
      },
      "bbox": [
        -76.139616380742,
        34.9907147635764,
        -76.13450578831689,
        34.99431434814219
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:53.956837+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9672_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9672_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9672_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            394,
            462
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            395998.5,
            0.0,
            -1.0,
            3873000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.56,
                "maximum": 6.307,
                "mean": 1.828,
                "stddev": 1.077
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9574_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.14782535358206,
              35.00318887551447
            ],
            [
              -76.14782535358206,
              35.00704231890904
            ],
            [
              -76.1397192317784,
              35.00704231890904
            ],
            [
              -76.1397192317784,
              35.00318887551447
            ],
            [
              -76.14782535358206,
              35.00318887551447
            ]
          ]
        ]
      },
      "bbox": [
        -76.14782535358206,
        35.00318887551447,
        -76.1397192317784,
        35.00704231890904
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:54.006226+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9574_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9574_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9574_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            419,
            735
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            395265.5,
            0.0,
            -1.0,
            3874417.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.889,
                "maximum": 0.986,
                "mean": -0.096,
                "stddev": 0.431
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9573_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.15069833626737,
              34.99414555580853
            ],
            [
              -76.15069833626737,
              35.00328279514391
            ],
            [
              -76.13959421923796,
              35.00328279514391
            ],
            [
              -76.13959421923796,
              34.99414555580853
            ],
            [
              -76.15069833626737,
              34.99414555580853
            ]
          ]
        ]
      },
      "bbox": [
        -76.15069833626737,
        34.99414555580853,
        -76.13959421923796,
        35.00328279514391
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:54.030304+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9573_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9573_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9573_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            394998.5,
            0.0,
            -1.0,
            3874000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.725,
                "maximum": 1.447,
                "mean": 0.031,
                "stddev": 0.62
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9676_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.13157529259328,
              35.02137501282132
            ],
            [
              -76.13157529259328,
              35.024635109852014
            ],
            [
              -76.1290100257286,
              35.024635109852014
            ],
            [
              -76.1290100257286,
              35.02137501282132
            ],
            [
              -76.13157529259328,
              35.02137501282132
            ]
          ]
        ]
      },
      "bbox": [
        -76.13157529259328,
        35.02137501282132,
        -76.1290100257286,
        35.024635109852014
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:54.054006+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9676_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9676_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9676_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            359,
            230
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            396770.5,
            0.0,
            -1.0,
            3876357.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.955,
                "maximum": -0.325,
                "mean": -0.55,
                "stddev": 0.085
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9675_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.13692296608774,
              35.01230897800598
            ],
            [
              -76.13692296608774,
              35.021416522294935
            ],
            [
              -76.12888610438893,
              35.021416522294935
            ],
            [
              -76.12888610438893,
              35.01230897800598
            ],
            [
              -76.13692296608774,
              35.01230897800598
            ]
          ]
        ]
      },
      "bbox": [
        -76.13692296608774,
        35.01230897800598,
        -76.12888610438893,
        35.021416522294935
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:54.098051+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9675_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9675_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9675_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            722
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            396278.5,
            0.0,
            -1.0,
            3876000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.117,
                "maximum": 0.956,
                "mean": -0.459,
                "stddev": 0.138
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9673_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.13974139579588,
              34.994248903813414
            ],
            [
              -76.13974139579588,
              35.003385186923445
            ],
            [
              -76.12863842674507,
              35.003385186923445
            ],
            [
              -76.12863842674507,
              34.994248903813414
            ],
            [
              -76.13974139579588,
              34.994248903813414
            ]
          ]
        ]
      },
      "bbox": [
        -76.13974139579588,
        34.994248903813414,
        -76.12863842674507,
        35.003385186923445
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:54.121403+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9673_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9673_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9673_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            395998.5,
            0.0,
            -1.0,
            3874000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.873,
                "maximum": 6.959,
                "mean": 0.994,
                "stddev": 0.759
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9674_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.13986646637996,
              35.00326455807495
            ],
            [
              -76.13986646637996,
              35.01240086150967
            ],
            [
              -76.12876223806914,
              35.01240086150967
            ],
            [
              -76.12876223806914,
              35.00326455807495
            ],
            [
              -76.13986646637996,
              35.00326455807495
            ]
          ]
        ]
      },
      "bbox": [
        -76.13986646637996,
        35.00326455807495,
        -76.12876223806914,
        35.01240086150967
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:54.145218+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9674_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9674_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9674_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            395998.5,
            0.0,
            -1.0,
            3875000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.732,
                "maximum": 4.982,
                "mean": 0.069,
                "stddev": 0.478
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9773_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.12878439979417,
              34.999075485832286
            ],
            [
              -76.12878439979417,
              35.00344310782456
            ],
            [
              -76.1224581119225,
              35.00344310782456
            ],
            [
              -76.1224581119225,
              34.999075485832286
            ],
            [
              -76.12878439979417,
              34.999075485832286
            ]
          ]
        ]
      },
      "bbox": [
        -76.12878439979417,
        34.999075485832286,
        -76.1224581119225,
        35.00344310782456
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:54.168825+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9773_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9773_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9773_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            478,
            572
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            396998.5,
            0.0,
            -1.0,
            3874000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.626,
                "maximum": 5.926,
                "mean": 0.791,
                "stddev": 0.887
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9774_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.1289082686275,
              35.00336695176377
            ],
            [
              -76.1289082686275,
              35.01250229830481
            ],
            [
              -76.11780518936415,
              35.01250229830481
            ],
            [
              -76.11780518936415,
              35.00336695176377
            ],
            [
              -76.1289082686275,
              35.00336695176377
            ]
          ]
        ]
      },
      "bbox": [
        -76.1289082686275,
        35.00336695176377,
        -76.11780518936415,
        35.01250229830481
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:54.192012+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9774_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9774_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9774_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            396998.5,
            0.0,
            -1.0,
            3875000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.135,
                "maximum": 7.055,
                "mean": 0.645,
                "stddev": 0.72
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9777_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.11863762639256,
              35.03051139900155
            ],
            [
              -76.11863762639256,
              35.03080414382665
            ],
            [
              -76.11817334648464,
              35.03080414382665
            ],
            [
              -76.11817334648464,
              35.03051139900155
            ],
            [
              -76.11863762639256,
              35.03051139900155
            ]
          ]
        ]
      },
      "bbox": [
        -76.11863762639256,
        35.03051139900155,
        -76.11817334648464,
        35.03080414382665
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:54.214349+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9777_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9777_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9777_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            32,
            42
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            397958.5,
            0.0,
            -1.0,
            3877030.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.028,
                "maximum": -0.495,
                "mean": -0.726,
                "stddev": 0.092
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9874_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.11794989315979,
              35.00631732202353
            ],
            [
              -76.11794989315979,
              35.01256640621386
            ],
            [
              -76.1098778607964,
              35.01256640621386
            ],
            [
              -76.1098778607964,
              35.00631732202353
            ],
            [
              -76.11794989315979,
              35.00631732202353
            ]
          ]
        ]
      },
      "bbox": [
        -76.11794989315979,
        35.00631732202353,
        -76.1098778607964,
        35.01256640621386
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:54.237349+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9874_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9874_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9874_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            685,
            729
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            397998.5,
            0.0,
            -1.0,
            3874999.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.158,
                "maximum": 8.267,
                "mean": 1.021,
                "stddev": 1.229
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9775_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.12903219248184,
              35.01238262630975
            ],
            [
              -76.12903219248184,
              35.02151799285863
            ],
            [
              -76.11792785391006,
              35.02151799285863
            ],
            [
              -76.11792785391006,
              35.01238262630975
            ],
            [
              -76.12903219248184,
              35.01238262630975
            ]
          ]
        ]
      },
      "bbox": [
        -76.12903219248184,
        35.01238262630975,
        -76.11792785391006,
        35.02151799285863
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:54.366513+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9775_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9775_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9775_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            396998.5,
            0.0,
            -1.0,
            3876000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.794,
                "maximum": 1.605,
                "mean": -0.11,
                "stddev": 0.378
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9776_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.12915617138134,
              35.02139828705475
            ],
            [
              -76.12915617138134,
              35.03053367361705
            ],
            [
              -76.11805057294224,
              35.03053367361705
            ],
            [
              -76.11805057294224,
              35.02139828705475
            ],
            [
              -76.12915617138134,
              35.02139828705475
            ]
          ]
        ]
      },
      "bbox": [
        -76.12915617138134,
        35.02139828705475,
        -76.11805057294224,
        35.03053367361705
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:54.398995+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9776_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9776_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9776_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            396998.5,
            0.0,
            -1.0,
            3877000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.278,
                "maximum": 0.916,
                "mean": -0.567,
                "stddev": 0.175
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9877_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.11831834404944,
              35.030515440248536
            ],
            [
              -76.11831834404944,
              35.03964988862241
            ],
            [
              -76.10721263632277,
              35.03964988862241
            ],
            [
              -76.10721263632277,
              35.030515440248536
            ],
            [
              -76.11831834404944,
              35.030515440248536
            ]
          ]
        ]
      },
      "bbox": [
        -76.11831834404944,
        35.030515440248536,
        -76.10721263632277,
        35.03964988862241
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:54.422413+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9877_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9877_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9877_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            397998.5,
            0.0,
            -1.0,
            3878000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.431,
                "maximum": 1.114,
                "mean": -0.373,
                "stddev": 0.305
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9875_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.11807273739988,
              35.01248406501553
            ],
            [
              -76.11807273739988,
              35.02161847400228
            ],
            [
              -76.10696954894492,
              35.02161847400228
            ],
            [
              -76.10696954894492,
              35.01248406501553
            ],
            [
              -76.11807273739988,
              35.01248406501553
            ]
          ]
        ]
      },
      "bbox": [
        -76.11807273739988,
        35.01248406501553,
        -76.10696954894492,
        35.02161847400228
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:54.470035+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9875_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9875_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9875_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            397998.5,
            0.0,
            -1.0,
            3876000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.446,
                "maximum": 6.686,
                "mean": 0.705,
                "stddev": 0.787
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9876_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.11819551345702,
              35.02149975952973
            ],
            [
              -76.11819551345702,
              35.030634188207294
            ],
            [
              -76.10709106564568,
              35.030634188207294
            ],
            [
              -76.10709106564568,
              35.02149975952973
            ],
            [
              -76.11819551345702,
              35.02149975952973
            ]
          ]
        ]
      },
      "bbox": [
        -76.11819551345702,
        35.02149975952973,
        -76.10709106564568,
        35.030634188207294
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:54.557026+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9876_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9876_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9876_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            397998.5,
            0.0,
            -1.0,
            3877000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.564,
                "maximum": 1.426,
                "mean": -0.204,
                "stddev": 0.519
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9878_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.11072336940168,
              35.039601094327374
            ],
            [
              -76.11072336940168,
              35.04138991721482
            ],
            [
              -76.10733426099993,
              35.04138991721482
            ],
            [
              -76.10733426099993,
              35.039601094327374
            ],
            [
              -76.11072336940168,
              35.039601094327374
            ]
          ]
        ]
      },
      "bbox": [
        -76.11072336940168,
        35.039601094327374,
        -76.10733426099993,
        35.04138991721482
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:54.580145+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9878_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9878_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9878_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            195,
            307
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            398693.5,
            0.0,
            -1.0,
            3878193.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.697,
                "maximum": -0.156,
                "mean": -0.387,
                "stddev": 0.066
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9975_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.10711322780661,
              35.01515399850283
            ],
            [
              -76.10711322780661,
              35.02170647540274
            ],
            [
              -76.09731668629932,
              35.02170647540274
            ],
            [
              -76.09731668629932,
              35.01515399850283
            ],
            [
              -76.10711322780661,
              35.01515399850283
            ]
          ]
        ]
      },
      "bbox": [
        -76.10711322780661,
        35.01515399850283,
        -76.09731668629932,
        35.02170647540274
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:54.617505+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9975_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9975_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9975_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            717,
            886
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            398998.5,
            0.0,
            -1.0,
            3876000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.25,
                "maximum": 6.779,
                "mean": 1.317,
                "stddev": 1.129
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9979_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.09724994306708,
              35.05600794506796
            ],
            [
              -76.09724994306708,
              35.05699650642422
            ],
            [
              -76.09658990974823,
              35.05699650642422
            ],
            [
              -76.09658990974823,
              35.05600794506796
            ],
            [
              -76.09724994306708,
              35.05600794506796
            ]
          ]
        ]
      },
      "bbox": [
        -76.09724994306708,
        35.05600794506796,
        -76.09658990974823,
        35.05699650642422
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:54.640207+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9979_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9979_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9979_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            109,
            59
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            399941.5,
            0.0,
            -1.0,
            3879913.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.814,
                "maximum": -0.984,
                "mean": -1.154,
                "stddev": 0.161
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9978_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.1074509698133,
              35.039631657127494
            ],
            [
              -76.1074509698133,
              35.04675466201589
            ],
            [
              -76.09637229341487,
              35.04675466201589
            ],
            [
              -76.09637229341487,
              35.039631657127494
            ],
            [
              -76.1074509698133,
              35.039631657127494
            ]
          ]
        ]
      },
      "bbox": [
        -76.1074509698133,
        35.039631657127494,
        -76.09637229341487,
        35.04675466201589
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:54.693567+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9978_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9978_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9978_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            779,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            398998.5,
            0.0,
            -1.0,
            3878777.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.91,
                "maximum": 0.966,
                "mean": -0.385,
                "stddev": 0.152
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9977_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.10735642818943,
              35.030615956751376
            ],
            [
              -76.10735642818943,
              35.039749446571854
            ],
            [
              -76.09625187216085,
              35.039749446571854
            ],
            [
              -76.09625187216085,
              35.030615956751376
            ],
            [
              -76.10735642818943,
              35.030615956751376
            ]
          ]
        ]
      },
      "bbox": [
        -76.10735642818943,
        35.030615956751376,
        -76.09625187216085,
        35.039749446571854
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:54.735389+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9977_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9977_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9977_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            398998.5,
            0.0,
            -1.0,
            3878000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.765,
                "maximum": 2.594,
                "mean": -0.176,
                "stddev": 0.529
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SUD9976_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.10723480099743,
              35.02160024258534
            ],
            [
              -76.10723480099743,
              35.030733713032284
            ],
            [
              -76.09613150437276,
              35.030733713032284
            ],
            [
              -76.09613150437276,
              35.02160024258534
            ],
            [
              -76.10723480099743,
              35.02160024258534
            ]
          ]
        ]
      },
      "bbox": [
        -76.10723480099743,
        35.02160024258534,
        -76.09613150437276,
        35.030733713032284
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:54.774973+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SUD9976_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SUD9976_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SUD9976_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            398998.5,
            0.0,
            -1.0,
            3877000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.46,
                "maximum": 5.975,
                "mean": 0.472,
                "stddev": 0.61
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0076_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.09627403453666,
              35.02290784714138
            ],
            [
              -76.09627403453666,
              35.03083224807625
            ],
            [
              -76.08518785468034,
              35.03083224807625
            ],
            [
              -76.08518785468034,
              35.02290784714138
            ],
            [
              -76.09627403453666,
              35.02290784714138
            ]
          ]
        ]
      },
      "bbox": [
        -76.09627403453666,
        35.02290784714138,
        -76.08518785468034,
        35.03083224807625
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:54.810363+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0076_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0076_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0076_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            868,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            399998.5,
            0.0,
            -1.0,
            3877000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.161,
                "maximum": 6.92,
                "mean": 0.762,
                "stddev": 0.943
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0077_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.09639445830452,
              35.030715483489665
            ],
            [
              -76.09639445830452,
              35.03984801441094
            ],
            [
              -76.08529105453297,
              35.03984801441094
            ],
            [
              -76.08529105453297,
              35.030715483489665
            ],
            [
              -76.09639445830452,
              35.030715483489665
            ]
          ]
        ]
      },
      "bbox": [
        -76.09639445830452,
        35.030715483489665,
        -76.08529105453297,
        35.03984801441094
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:54.926504+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0077_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0077_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0077_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            399998.5,
            0.0,
            -1.0,
            3878000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.786,
                "maximum": 2.77,
                "mean": 0.381,
                "stddev": 0.486
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0079_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.09663546633548,
              35.04874693670765
            ],
            [
              -76.09663546633548,
              35.05787950574651
            ],
            [
              -76.08552954310288,
              35.05787950574651
            ],
            [
              -76.08552954310288,
              35.04874693670765
            ],
            [
              -76.09663546633548,
              35.04874693670765
            ]
          ]
        ]
      },
      "bbox": [
        -76.09663546633548,
        35.04874693670765,
        -76.08552954310288,
        35.05787950574651
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:54.979852+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0079_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0079_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0079_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            399998.5,
            0.0,
            -1.0,
            3880000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.494,
                "maximum": 0.857,
                "mean": -0.648,
                "stddev": 0.313
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0080_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.09529762401098,
              35.05777581826559
            ],
            [
              -76.09529762401098,
              35.066895230743995
            ],
            [
              -76.08564886684375,
              35.066895230743995
            ],
            [
              -76.08564886684375,
              35.05777581826559
            ],
            [
              -76.09529762401098,
              35.05777581826559
            ]
          ]
        ]
      },
      "bbox": [
        -76.09529762401098,
        35.05777581826559,
        -76.08564886684375,
        35.066895230743995
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:55.019231+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0080_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0080_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0080_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            869
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            400131.5,
            0.0,
            -1.0,
            3881000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.621,
                "maximum": -0.182,
                "mean": -0.81,
                "stddev": 0.236
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0078_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.09651493556296,
              35.039731216990894
            ],
            [
              -76.09651493556296,
              35.04886376696827
            ],
            [
              -76.08541027234038,
              35.04886376696827
            ],
            [
              -76.08541027234038,
              35.039731216990894
            ],
            [
              -76.09651493556296,
              35.039731216990894
            ]
          ]
        ]
      },
      "bbox": [
        -76.09651493556296,
        35.039731216990894,
        -76.08541027234038,
        35.04886376696827
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:55.053747+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0078_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0078_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0078_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            399998.5,
            0.0,
            -1.0,
            3879000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.1,
                "maximum": 2.379,
                "mean": -0.175,
                "stddev": 0.618
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0176_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.08531321460882,
              35.02981326953922
            ],
            [
              -76.08531321460882,
              35.03084547447674
            ],
            [
              -76.08379812820317,
              35.03084547447674
            ],
            [
              -76.08379812820317,
              35.02981326953922
            ],
            [
              -76.08531321460882,
              35.02981326953922
            ]
          ]
        ]
      },
      "bbox": [
        -76.08531321460882,
        35.02981326953922,
        -76.08379812820317,
        35.03084547447674
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:55.150554+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0176_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0176_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0176_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            113,
            137
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            400998.5,
            0.0,
            -1.0,
            3877000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.626,
                "maximum": 0.242,
                "mean": -0.114,
                "stddev": 0.163
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0081_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.08762745847456,
              35.066860692652476
            ],
            [
              -76.08762745847456,
              35.068157431143824
            ],
            [
              -76.0857682435863,
              35.068157431143824
            ],
            [
              -76.0857682435863,
              35.066860692652476
            ],
            [
              -76.08762745847456,
              35.066860692652476
            ]
          ]
        ]
      },
      "bbox": [
        -76.08762745847456,
        35.066860692652476,
        -76.0857682435863,
        35.068157431143824
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:55.242839+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0081_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0081_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0081_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            142,
            168
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            400832.5,
            0.0,
            -1.0,
            3881140.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.953,
                "maximum": -0.682,
                "mean": -0.821,
                "stddev": 0.034
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0181_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.08587974407023,
              35.066877002964475
            ],
            [
              -76.08587974407023,
              35.073736683489024
            ],
            [
              -76.07480255593983,
              35.073736683489024
            ],
            [
              -76.07480255593983,
              35.066877002964475
            ],
            [
              -76.08587974407023,
              35.066877002964475
            ]
          ]
        ]
      },
      "bbox": [
        -76.08587974407023,
        35.066877002964475,
        -76.07480255593983,
        35.073736683489024
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:55.320742+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0181_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0181_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0181_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            750,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            400998.5,
            0.0,
            -1.0,
            3881748.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.207,
                "maximum": 0.967,
                "mean": -0.514,
                "stddev": 0.291
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0177_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.08543243492903,
              35.030814020447636
            ],
            [
              -76.08543243492903,
              35.03994559212406
            ],
            [
              -76.07433018397327,
              35.03994559212406
            ],
            [
              -76.07433018397327,
              35.030814020447636
            ],
            [
              -76.08543243492903,
              35.030814020447636
            ]
          ]
        ]
      },
      "bbox": [
        -76.08543243492903,
        35.030814020447636,
        -76.07433018397327,
        35.03994559212406
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:55.371093+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0177_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0177_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0177_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            400998.5,
            0.0,
            -1.0,
            3878000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.151,
                "maximum": 4.174,
                "mean": 0.413,
                "stddev": 0.622
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0180_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.08579041372008,
              35.05786127800473
            ],
            [
              -76.08579041372008,
              35.06699290589644
            ],
            [
              -76.074684384271,
              35.06699290589644
            ],
            [
              -76.074684384271,
              35.05786127800473
            ],
            [
              -76.08579041372008,
              35.05786127800473
            ]
          ]
        ]
      },
      "bbox": [
        -76.08579041372008,
        35.05786127800473,
        -76.074684384271,
        35.06699290589644
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:55.464844+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0180_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0180_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0180_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            400998.5,
            0.0,
            -1.0,
            3881000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.455,
                "maximum": 1.287,
                "mean": -0.07,
                "stddev": 0.499
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0179_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.08567103446138,
              35.04884553926423
            ],
            [
              -76.08567103446138,
              35.057977148412164
            ],
            [
              -76.07456626506902,
              35.057977148412164
            ],
            [
              -76.07456626506902,
              35.04884553926423
            ],
            [
              -76.08567103446138,
              35.04884553926423
            ]
          ]
        ]
      },
      "bbox": [
        -76.08567103446138,
        35.04884553926423,
        -76.07456626506902,
        35.057977148412164
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:55.506954+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0179_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0179_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0179_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            400998.5,
            0.0,
            -1.0,
            3880000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.14,
                "maximum": 1.937,
                "mean": 0.248,
                "stddev": 0.551
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0178_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.08555170820546,
              35.039829786744626
            ],
            [
              -76.08555170820546,
              35.04896137715414
            ],
            [
              -76.07444819831079,
              35.04896137715414
            ],
            [
              -76.07444819831079,
              35.039829786744626
            ],
            [
              -76.08555170820546,
              35.039829786744626
            ]
          ]
        ]
      },
      "bbox": [
        -76.08555170820546,
        35.039829786744626,
        -76.07444819831079,
        35.04896137715414
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:55.551544+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0178_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0178_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0178_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            400998.5,
            0.0,
            -1.0,
            3879000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.643,
                "maximum": 1.409,
                "mean": 0.077,
                "stddev": 0.522
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0277_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.07447035859734,
              35.03468017316766
            ],
            [
              -76.07447035859734,
              35.04000462832108
            ],
            [
              -76.06769304396025,
              35.04000462832108
            ],
            [
              -76.06769304396025,
              35.03468017316766
            ],
            [
              -76.07447035859734,
              35.03468017316766
            ]
          ]
        ]
      },
      "bbox": [
        -76.07447035859734,
        35.03468017316766,
        -76.06769304396025,
        35.04000462832108
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:55.577582+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0277_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0277_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0277_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            584,
            612
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            401998.5,
            0.0,
            -1.0,
            3878000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.506,
                "maximum": -0.245,
                "mean": -1.132,
                "stddev": 0.561
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0279_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.07470654958448,
              35.04894315136607
            ],
            [
              -76.07470654958448,
              35.058073800277434
            ],
            [
              -76.0636029345914,
              35.058073800277434
            ],
            [
              -76.0636029345914,
              35.04894315136607
            ],
            [
              -76.07470654958448,
              35.04894315136607
            ]
          ]
        ]
      },
      "bbox": [
        -76.07470654958448,
        35.04894315136607,
        -76.0636029345914,
        35.058073800277434
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:55.643855+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0279_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0279_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0279_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            401998.5,
            0.0,
            -1.0,
            3880000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.097,
                "maximum": 1.924,
                "mean": 0.266,
                "stddev": 0.384
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0280_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.07482472376843,
              35.057958922587
            ],
            [
              -76.07482472376843,
              35.06708958991892
            ],
            [
              -76.06371984923143,
              35.06708958991892
            ],
            [
              -76.06371984923143,
              35.057958922587
            ],
            [
              -76.07482472376843,
              35.057958922587
            ]
          ]
        ]
      },
      "bbox": [
        -76.07482472376843,
        35.057958922587,
        -76.06371984923143,
        35.06708958991892
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:55.741439+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0280_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0280_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0280_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            401998.5,
            0.0,
            -1.0,
            3881000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.867,
                "maximum": 3.061,
                "mean": 0.52,
                "stddev": 0.52
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0278_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.07458842786848,
              35.039927366373064
            ],
            [
              -76.07458842786848,
              35.04905799686914
            ],
            [
              -76.06348607186048,
              35.04905799686914
            ],
            [
              -76.06348607186048,
              35.039927366373064
            ],
            [
              -76.07458842786848,
              35.039927366373064
            ]
          ]
        ]
      },
      "bbox": [
        -76.07458842786848,
        35.039927366373064,
        -76.06348607186048,
        35.04905799686914
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:55.771315+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0278_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0278_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0278_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            401998.5,
            0.0,
            -1.0,
            3879000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.759,
                "maximum": 7.55,
                "mean": 0.271,
                "stddev": 0.942
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0282_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.0711989486499,
              35.076024000346735
            ],
            [
              -76.0711989486499,
              35.07997312942067
            ],
            [
              -76.06395383433023,
              35.07997312942067
            ],
            [
              -76.06395383433023,
              35.076024000346735
            ],
            [
              -76.0711989486499,
              35.076024000346735
            ]
          ]
        ]
      },
      "bbox": [
        -76.0711989486499,
        35.076024000346735,
        -76.06395383433023,
        35.07997312942067
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:55.823845+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0282_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0282_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0282_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            431,
            656
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            402344.5,
            0.0,
            -1.0,
            3882429.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.484,
                "maximum": 0.709,
                "mean": -0.668,
                "stddev": 0.456
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0281_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.07494295044339,
              35.06697468003418
            ],
            [
              -76.07494295044339,
              35.0761053657919
            ],
            [
              -76.06383681580344,
              35.0761053657919
            ],
            [
              -76.06383681580344,
              35.06697468003418
            ],
            [
              -76.07494295044339,
              35.06697468003418
            ]
          ]
        ]
      },
      "bbox": [
        -76.07494295044339,
        35.06697468003418,
        -76.06383681580344,
        35.0761053657919
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:55.935533+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0281_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0281_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0281_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            401998.5,
            0.0,
            -1.0,
            3882000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.2,
                "maximum": 1.239,
                "mean": -0.063,
                "stddev": 0.561
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0378_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.06362509508662,
              35.04270165498733
            ],
            [
              -76.06362509508662,
              35.049153626097926
            ],
            [
              -76.05255823879013,
              35.049153626097926
            ],
            [
              -76.05255823879013,
              35.04270165498733
            ],
            [
              -76.06362509508662,
              35.04270165498733
            ]
          ]
        ]
      },
      "bbox": [
        -76.06362509508662,
        35.04270165498733,
        -76.05255823879013,
        35.049153626097926
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:56.065594+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0378_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0378_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0378_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            705,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            402998.5,
            0.0,
            -1.0,
            3879000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.1,
                "maximum": 8.678,
                "mean": 0.801,
                "stddev": 1.191
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0380_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.06385898132577,
              35.05805557636958
            ],
            [
              -76.06385898132577,
              35.06718528279612
            ],
            [
              -76.05275526225992,
              35.06718528279612
            ],
            [
              -76.05275526225992,
              35.05805557636958
            ],
            [
              -76.06385898132577,
              35.05805557636958
            ]
          ]
        ]
      },
      "bbox": [
        -76.06385898132577,
        35.05805557636958,
        -76.05275526225992,
        35.06718528279612
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:56.156414+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0380_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0380_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0380_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            402998.5,
            0.0,
            -1.0,
            3881000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.444,
                "maximum": 3.56,
                "mean": 0.807,
                "stddev": 0.35
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0379_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.06374201223966,
              35.04903977299772
            ],
            [
              -76.06374201223966,
              35.05816946132698
            ],
            [
              -76.05263955220465,
              35.05816946132698
            ],
            [
              -76.05263955220465,
              35.04903977299772
            ],
            [
              -76.06374201223966,
              35.04903977299772
            ]
          ]
        ]
      },
      "bbox": [
        -76.06374201223966,
        35.04903977299772,
        -76.05263955220465,
        35.05816946132698
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:56.236488+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0379_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0379_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0379_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            402998.5,
            0.0,
            -1.0,
            3880000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.323,
                "maximum": 7.32,
                "mean": 0.828,
                "stddev": 0.711
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0381_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.06397600236778,
              35.06707136597462
            ],
            [
              -76.06397600236778,
              35.0762010905036
            ],
            [
              -76.05287102371226,
              35.0762010905036
            ],
            [
              -76.05287102371226,
              35.06707136597462
            ],
            [
              -76.06397600236778,
              35.06707136597462
            ]
          ]
        ]
      },
      "bbox": [
        -76.06397600236778,
        35.06707136597462,
        -76.05287102371226,
        35.0762010905036
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:56.354076+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0381_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0381_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0381_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            402998.5,
            0.0,
            -1.0,
            3882000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.301,
                "maximum": 2.426,
                "mean": -0.032,
                "stddev": 0.689
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0382_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.06409307538857,
              35.07608714181114
            ],
            [
              -76.06409307538857,
              35.0852168844478
            ],
            [
              -76.05298683658428,
              35.0852168844478
            ],
            [
              -76.05298683658428,
              35.07608714181114
            ],
            [
              -76.06409307538857,
              35.07608714181114
            ]
          ]
        ]
      },
      "bbox": [
        -76.06409307538857,
        35.07608714181114,
        -76.05298683658428,
        35.0852168844478
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:56.452422+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0382_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0382_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0382_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            402998.5,
            0.0,
            -1.0,
            3883000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.673,
                "maximum": -0.2,
                "mean": -1.621,
                "stddev": 1.024
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0383_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.05378910918897,
              35.08519294481127
            ],
            [
              -76.05378910918897,
              35.08569472114275
            ],
            [
              -76.0531027008986,
              35.08569472114275
            ],
            [
              -76.0531027008986,
              35.08519294481127
            ],
            [
              -76.05378910918897,
              35.08519294481127
            ]
          ]
        ]
      },
      "bbox": [
        -76.05378910918897,
        35.08519294481127,
        -76.0531027008986,
        35.08569472114275
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:56.552034+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0383_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0383_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0383_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            55,
            62
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            403938.5,
            0.0,
            -1.0,
            3883053.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.115,
                "maximum": -2.426,
                "mean": -2.703,
                "stddev": 0.113
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0478_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.05266171039452,
              35.04697160165019
            ],
            [
              -76.05266171039452,
              35.04924826482535
            ],
            [
              -76.04164864470174,
              35.04924826482535
            ],
            [
              -76.04164864470174,
              35.04697160165019
            ],
            [
              -76.05266171039452,
              35.04697160165019
            ]
          ]
        ]
      },
      "bbox": [
        -76.05266171039452,
        35.04697160165019,
        -76.04164864470174,
        35.04924826482535
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:56.630634+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0478_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0478_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0478_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            242,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            403998.5,
            0.0,
            -1.0,
            3879000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.586,
                "maximum": 0.926,
                "mean": -1.953,
                "stddev": 0.827
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0480_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.05289318692716,
              35.05815123933714
            ],
            [
              -76.05289318692716,
              35.06727998451283
            ],
            [
              -76.04179062389132,
              35.06727998451283
            ],
            [
              -76.04179062389132,
              35.05815123933714
            ],
            [
              -76.05289318692716,
              35.05815123933714
            ]
          ]
        ]
      },
      "bbox": [
        -76.05289318692716,
        35.05815123933714,
        -76.04179062389132,
        35.06727998451283
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:56.782025+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0480_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0480_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0480_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            403998.5,
            0.0,
            -1.0,
            3881000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.276,
                "maximum": 2.407,
                "mean": 0.5,
                "stddev": 0.246
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0479_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.05277742296175,
              35.04913540414386
            ],
            [
              -76.05277742296175,
              35.05826413154566
            ],
            [
              -76.04167611844342,
              35.05826413154566
            ],
            [
              -76.04167611844342,
              35.04913540414386
            ],
            [
              -76.05277742296175,
              35.04913540414386
            ]
          ]
        ]
      },
      "bbox": [
        -76.05277742296175,
        35.04913540414386,
        -76.04167611844342,
        35.05826413154566
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:56.896027+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0479_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0479_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0479_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            403998.5,
            0.0,
            -1.0,
            3880000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.992,
                "maximum": 6.625,
                "mean": 0.708,
                "stddev": 1.324
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0483_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.0531816779031,
              35.08519894813374
            ],
            [
              -76.0531816779031,
              35.09228988863844
            ],
            [
              -76.04213444549758,
              35.09228988863844
            ],
            [
              -76.04213444549758,
              35.08519894813374
            ],
            [
              -76.0531816779031,
              35.08519894813374
            ]
          ]
        ]
      },
      "bbox": [
        -76.0531816779031,
        35.08519894813374,
        -76.04213444549758,
        35.09228988863844
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:56.976930+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0483_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0483_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0483_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            776,
            999
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            404001.5,
            0.0,
            -1.0,
            3883774.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.322,
                "maximum": -0.303,
                "mean": -0.938,
                "stddev": 0.372
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0482_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.05312486914305,
              35.07618286844213
            ],
            [
              -76.05312486914305,
              35.08529069706261
            ],
            [
              -76.04445447673086,
              35.08529069706261
            ],
            [
              -76.04445447673086,
              35.07618286844213
            ],
            [
              -76.05312486914305,
              35.07618286844213
            ]
          ]
        ]
      },
      "bbox": [
        -76.05312486914305,
        35.07618286844213,
        -76.04445447673086,
        35.08529069706261
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:57.065593+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0482_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0482_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0482_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            780
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            403998.5,
            0.0,
            -1.0,
            3883000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.952,
                "maximum": -0.782,
                "mean": -1.961,
                "stddev": 0.488
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0481_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.05300900231339,
              35.067167060770444
            ],
            [
              -76.05300900231339,
              35.07629582372518
            ],
            [
              -76.0419051802014,
              35.07629582372518
            ],
            [
              -76.0419051802014,
              35.067167060770444
            ],
            [
              -76.05300900231339,
              35.067167060770444
            ]
          ]
        ]
      },
      "bbox": [
        -76.05300900231339,
        35.067167060770444,
        -76.0419051802014,
        35.07629582372518
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:57.147702+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0481_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0481_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0481_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            403998.5,
            0.0,
            -1.0,
            3882000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.155,
                "maximum": 2.424,
                "mean": -1.393,
                "stddev": 1.363
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0578_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.04169827432683,
              35.04563271014383
            ],
            [
              -76.04169827432683,
              35.04934191303642
            ],
            [
              -76.03066744085737,
              35.04934191303642
            ],
            [
              -76.03066744085737,
              35.04563271014383
            ],
            [
              -76.04169827432683,
              35.04563271014383
            ]
          ]
        ]
      },
      "bbox": [
        -76.04169827432683,
        35.04563271014383,
        -76.03066744085737,
        35.04934191303642
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:57.271493+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0578_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0578_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0578_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            401,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            404998.5,
            0.0,
            -1.0,
            3879000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.58,
                "maximum": -1.774,
                "mean": -2.846,
                "stddev": 0.322
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0579_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.04181278228566,
              35.04923004478934
            ],
            [
              -76.04181278228566,
              35.05835781091845
            ],
            [
              -76.03071263384238,
              35.05835781091845
            ],
            [
              -76.03071263384238,
              35.04923004478934
            ],
            [
              -76.04181278228566,
              35.04923004478934
            ]
          ]
        ]
      },
      "bbox": [
        -76.04181278228566,
        35.04923004478934,
        -76.03071263384238,
        35.05835781091845
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:57.368473+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0579_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0579_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0579_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            404998.5,
            0.0,
            -1.0,
            3880000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.627,
                "maximum": 1.68,
                "mean": -2.312,
                "stddev": 0.646
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0580_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.04192734110778,
              35.0582459114745
            ],
            [
              -76.04192734110778,
              35.06737369505408
            ],
            [
              -76.03082593466054,
              35.06737369505408
            ],
            [
              -76.03082593466054,
              35.0582459114745
            ],
            [
              -76.04192734110778,
              35.0582459114745
            ]
          ]
        ]
      },
      "bbox": [
        -76.04192734110778,
        35.0582459114745,
        -76.03082593466054,
        35.06737369505408
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:57.488066+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0580_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0580_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0580_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            404998.5,
            0.0,
            -1.0,
            3881000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.83,
                "maximum": 2.532,
                "mean": -2.335,
                "stddev": 1.586
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0583_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.04227132297775,
              35.08529342900436
            ],
            [
              -76.04227132297775,
              35.09442126496573
            ],
            [
              -76.0311661391672,
              35.09442126496573
            ],
            [
              -76.0311661391672,
              35.08529342900436
            ],
            [
              -76.04227132297775,
              35.08529342900436
            ]
          ]
        ]
      },
      "bbox": [
        -76.04227132297775,
        35.08529342900436,
        -76.0311661391672,
        35.09442126496573
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:57.644823+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0583_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0583_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0583_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            404998.5,
            0.0,
            -1.0,
            3884000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.552,
                "maximum": -0.145,
                "mean": -1.086,
                "stddev": 0.817
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0581_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.04204195081559,
              35.06726176440651
            ],
            [
              -76.04204195081559,
              35.07638956544161
            ],
            [
              -76.03093928580597,
              35.07638956544161
            ],
            [
              -76.03093928580597,
              35.06726176440651
            ],
            [
              -76.04204195081559,
              35.06726176440651
            ]
          ]
        ]
      },
      "bbox": [
        -76.04204195081559,
        35.06726176440651,
        -76.03093928580597,
        35.07638956544161
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:57.850672+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0581_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0581_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0581_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            404998.5,
            0.0,
            -1.0,
            3882000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.972,
                "maximum": -0.742,
                "mean": -2.336,
                "stddev": 0.731
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0582_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.04073073417669,
              35.07628984632641
            ],
            [
              -76.04073073417669,
              35.085405328801905
            ],
            [
              -76.03106365442615,
              35.085405328801905
            ],
            [
              -76.03106365442615,
              35.07628984632641
            ],
            [
              -76.04073073417669,
              35.07628984632641
            ]
          ]
        ]
      },
      "bbox": [
        -76.04073073417669,
        35.07628984632641,
        -76.03106365442615,
        35.085405328801905
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:57.972418+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0582_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0582_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0582_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            871
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            405128.5,
            0.0,
            -1.0,
            3883000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.708,
                "maximum": -0.071,
                "mean": -1.809,
                "stddev": 1.071
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0584_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.03833591858815,
              35.09434340695842
            ],
            [
              -76.03833591858815,
              35.098090709082705
            ],
            [
              -76.03127964142733,
              35.098090709082705
            ],
            [
              -76.03127964142733,
              35.09434340695842
            ],
            [
              -76.03833591858815,
              35.09434340695842
            ]
          ]
        ]
      },
      "bbox": [
        -76.03833591858815,
        35.09434340695842,
        -76.03127964142733,
        35.098090709082705
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:58.072187+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0584_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0584_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0584_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            409,
            639
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            405361.5,
            0.0,
            -1.0,
            3884407.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.198,
                "maximum": -0.501,
                "mean": -1.41,
                "stddev": 1.012
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0678_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.03073467414006,
              35.04646565243225
            ],
            [
              -76.03073467414006,
              35.0493566189208
            ],
            [
              -76.02788112868993,
              35.0493566189208
            ],
            [
              -76.02788112868993,
              35.04646565243225
            ],
            [
              -76.03073467414006,
              35.04646565243225
            ]
          ]
        ]
      },
      "bbox": [
        -76.03073467414006,
        35.04646565243225,
        -76.02788112868993,
        35.0493566189208
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:58.204254+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0678_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0678_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0678_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            318,
            257
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            405998.5,
            0.0,
            -1.0,
            3878999.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.634,
                "maximum": -2.339,
                "mean": -2.978,
                "stddev": 0.252
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0680_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.03096144440275,
              35.058339592766664
            ],
            [
              -76.03096144440275,
              35.06746641440496
            ],
            [
              -76.01986119510251,
              35.06746641440496
            ],
            [
              -76.01986119510251,
              35.058339592766664
            ],
            [
              -76.03096144440275,
              35.058339592766664
            ]
          ]
        ]
      },
      "bbox": [
        -76.03096144440275,
        35.058339592766664,
        -76.01986119510251,
        35.06746641440496
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:58.365722+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0680_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0680_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0680_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            405998.5,
            0.0,
            -1.0,
            3881000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.517,
                "maximum": -0.994,
                "mean": -2.475,
                "stddev": 0.374
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0681_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.03107484840972,
              35.06735547686776
            ],
            [
              -76.03107484840972,
              35.076482315638
            ],
            [
              -76.01997334106115,
              35.076482315638
            ],
            [
              -76.01997334106115,
              35.06735547686776
            ],
            [
              -76.03107484840972,
              35.06735547686776
            ]
          ]
        ]
      },
      "bbox": [
        -76.03107484840972,
        35.06735547686776,
        -76.01997334106115,
        35.076482315638
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:58.498719+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0681_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0681_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0681_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            405998.5,
            0.0,
            -1.0,
            3882000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.353,
                "maximum": -0.846,
                "mean": -2.231,
                "stddev": 0.729
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0679_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.03084809074629,
              35.04932369491913
            ],
            [
              -76.03084809074629,
              35.05841872638406
            ],
            [
              -76.02352056058665,
              35.05841872638406
            ],
            [
              -76.02352056058665,
              35.04932369491913
            ],
            [
              -76.03084809074629,
              35.04932369491913
            ]
          ]
        ]
      },
      "bbox": [
        -76.03084809074629,
        35.04932369491913,
        -76.02352056058665,
        35.05841872638406
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:58.643204+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0679_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0679_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0679_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            658
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            405998.5,
            0.0,
            -1.0,
            3880000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.325,
                "maximum": -1.308,
                "mean": -2.617,
                "stddev": 0.363
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0682_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.03118830278939,
              35.07637134722078
            ],
            [
              -76.03118830278939,
              35.085498203127955
            ],
            [
              -76.02008553683405,
              35.085498203127955
            ],
            [
              -76.02008553683405,
              35.07637134722078
            ],
            [
              -76.03118830278939,
              35.07637134722078
            ]
          ]
        ]
      },
      "bbox": [
        -76.03118830278939,
        35.07637134722078,
        -76.02008553683405,
        35.085498203127955
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:58.766507+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0682_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0682_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0682_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            405998.5,
            0.0,
            -1.0,
            3883000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.565,
                "maximum": -0.159,
                "mean": -1.478,
                "stddev": 0.507
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0683_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.03130180756388,
              35.08538720382401
            ],
            [
              -76.03130180756388,
              35.09451407687314
            ],
            [
              -76.02019778244309,
              35.09451407687314
            ],
            [
              -76.02019778244309,
              35.08538720382401
            ],
            [
              -76.03130180756388,
              35.08538720382401
            ]
          ]
        ]
      },
      "bbox": [
        -76.03130180756388,
        35.08538720382401,
        -76.02019778244309,
        35.09451407687314
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:58.949735+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0683_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0683_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0683_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            405998.5,
            0.0,
            -1.0,
            3884000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.481,
                "maximum": -0.006,
                "mean": -1.07,
                "stddev": 0.524
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0779_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.01103476586053,
              35.056008944212095
            ],
            [
              -76.01103476586053,
              35.058542105864404
            ],
            [
              -76.00887664835749,
              35.058542105864404
            ],
            [
              -76.00887664835749,
              35.056008944212095
            ],
            [
              -76.01103476586053,
              35.056008944212095
            ]
          ]
        ]
      },
      "bbox": [
        -76.01103476586053,
        35.056008944212095,
        -76.00887664835749,
        35.058542105864404
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:59.121102+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0779_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0779_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0779_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            279,
            194
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            407805.5,
            0.0,
            -1.0,
            3880000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.518,
                "maximum": -1.549,
                "mean": -2.022,
                "stddev": 0.144
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0685_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.02200081289274,
              35.10349868947496
            ],
            [
              -76.02200081289274,
              35.10427825263391
            ],
            [
              -76.02042242325744,
              35.10427825263391
            ],
            [
              -76.02042242325744,
              35.10349868947496
            ],
            [
              -76.02200081289274,
              35.10349868947496
            ]
          ]
        ]
      },
      "bbox": [
        -76.02200081289274,
        35.10349868947496,
        -76.02042242325744,
        35.10427825263391
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:59.178412+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0685_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0685_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0685_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            85,
            143
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            406857.5,
            0.0,
            -1.0,
            3885083.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.33,
                "maximum": -0.646,
                "mean": -1.102,
                "stddev": 0.474
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0780_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.01997867190168,
              35.05843228319877
            ],
            [
              -76.01997867190168,
              35.06620575160379
            ],
            [
              -76.00889640575211,
              35.06620575160379
            ],
            [
              -76.00889640575211,
              35.05843228319877
            ],
            [
              -76.01997867190168,
              35.05843228319877
            ]
          ]
        ]
      },
      "bbox": [
        -76.01997867190168,
        35.05843228319877,
        -76.00889640575211,
        35.06620575160379
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:59.282274+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0780_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0780_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0780_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            852,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            406998.5,
            0.0,
            -1.0,
            3880850.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.209,
                "maximum": -1.421,
                "mean": -2.275,
                "stddev": 0.213
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0684_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.03141536275541,
              35.09440304667582
            ],
            [
              -76.03141536275541,
              35.10352993687189
            ],
            [
              -76.02031007791024,
              35.10352993687189
            ],
            [
              -76.02031007791024,
              35.09440304667582
            ],
            [
              -76.03141536275541,
              35.09440304667582
            ]
          ]
        ]
      },
      "bbox": [
        -76.03141536275541,
        35.09440304667582,
        -76.02031007791024,
        35.10352993687189
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:59.352227+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0684_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0684_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0684_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            405998.5,
            0.0,
            -1.0,
            3885000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.736,
                "maximum": -0.591,
                "mean": -1.836,
                "stddev": 0.881
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0781_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.02010769563118,
              35.06869239332219
            ],
            [
              -76.02010769563118,
              35.07657407429967
            ],
            [
              -76.00902266019457,
              35.07657407429967
            ],
            [
              -76.00902266019457,
              35.06869239332219
            ],
            [
              -76.02010769563118,
              35.06869239332219
            ]
          ]
        ]
      },
      "bbox": [
        -76.02010769563118,
        35.06869239332219,
        -76.00902266019457,
        35.07657407429967
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:59.446835+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0781_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0781_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0781_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            864,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            406998.5,
            0.0,
            -1.0,
            3882000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.681,
                "maximum": -0.202,
                "mean": -1.161,
                "stddev": 0.591
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0782_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.02021994375247,
              35.07646409933852
            ],
            [
              -76.02021994375247,
              35.085589992312045
            ],
            [
              -76.00911833653112,
              35.085589992312045
            ],
            [
              -76.00911833653112,
              35.07646409933852
            ],
            [
              -76.02021994375247,
              35.07646409933852
            ]
          ]
        ]
      },
      "bbox": [
        -76.02021994375247,
        35.07646409933852,
        -76.00911833653112,
        35.085589992312045
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:59.537384+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0782_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0782_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0782_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            406998.5,
            0.0,
            -1.0,
            3883000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.137,
                "maximum": -0.261,
                "mean": -1.702,
                "stddev": 0.64
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0784_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.02044458959465,
              35.09449586050589
            ],
            [
              -76.02044458959465,
              35.10362178712063
            ],
            [
              -76.00934046451312,
              35.10362178712063
            ],
            [
              -76.00934046451312,
              35.09449586050589
            ],
            [
              -76.02044458959465,
              35.09449586050589
            ]
          ]
        ]
      },
      "bbox": [
        -76.02044458959465,
        35.09449586050589,
        -76.00934046451312,
        35.10362178712063
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:59.630198+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0784_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0784_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0784_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            406998.5,
            0.0,
            -1.0,
            3885000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.235,
                "maximum": -0.137,
                "mean": -1.561,
                "stddev": 0.614
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0783_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.02033224173297,
              35.08547998679459
            ],
            [
              -76.02033224173297,
              35.09460589658625
            ],
            [
              -76.00922937586088,
              35.09460589658625
            ],
            [
              -76.00922937586088,
              35.08547998679459
            ],
            [
              -76.02033224173297,
              35.08547998679459
            ]
          ]
        ]
      },
      "bbox": [
        -76.02033224173297,
        35.08547998679459,
        -76.00922937586088,
        35.09460589658625
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:59.743476+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0783_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0783_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0783_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            406998.5,
            0.0,
            -1.0,
            3884000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.771,
                "maximum": -0.024,
                "mean": -0.671,
                "stddev": 0.373
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0785_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.02053135627604,
              35.10351172047072
            ],
            [
              -76.02053135627604,
              35.11058204521418
            ],
            [
              -76.0094516025095,
              35.11058204521418
            ],
            [
              -76.0094516025095,
              35.10351172047072
            ],
            [
              -76.02053135627604,
              35.10351172047072
            ]
          ]
        ]
      },
      "bbox": [
        -76.02053135627604,
        35.10351172047072,
        -76.0094516025095,
        35.11058204521418
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:59.837220+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0785_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0785_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0785_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            774,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            406998.5,
            0.0,
            -1.0,
            3885772.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.937,
                "maximum": -1.54,
                "mean": -2.109,
                "stddev": 0.365
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0879_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.00891855721731,
              35.055765100704065
            ],
            [
              -76.00891855721731,
              35.058569240415956
            ],
            [
              -76.00560602527905,
              35.058569240415956
            ],
            [
              -76.00560602527905,
              35.055765100704065
            ],
            [
              -76.00891855721731,
              35.055765100704065
            ]
          ]
        ]
      },
      "bbox": [
        -76.00891855721731,
        35.055765100704065,
        -76.00560602527905,
        35.058569240415956
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:47:59.967738+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0879_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0879_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0879_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            308,
            299
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            407998.5,
            0.0,
            -1.0,
            3880000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.081,
                "maximum": -1.69,
                "mean": -2.204,
                "stddev": 0.19
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0880_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.00902950047626,
              35.05852398275613
            ],
            [
              -76.00902950047626,
              35.06764887947704
            ],
            [
              -75.99793156714433,
              35.06764887947704
            ],
            [
              -75.99793156714433,
              35.05852398275613
            ],
            [
              -76.00902950047626,
              35.05852398275613
            ]
          ]
        ]
      },
      "bbox": [
        -76.00902950047626,
        35.05852398275613,
        -75.99793156714433,
        35.06764887947704
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:00.003958+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0880_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0880_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0880_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            407998.5,
            0.0,
            -1.0,
            3881000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.836,
                "maximum": 1.346,
                "mean": 0.154,
                "stddev": 1.04
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0882_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.00925153485636,
              35.076555859922244
            ],
            [
              -76.00925153485636,
              35.08568078961707
            ],
            [
              -75.99815108692744,
              35.08568078961707
            ],
            [
              -75.99815108692744,
              35.076555859922244
            ],
            [
              -76.00925153485636,
              35.076555859922244
            ]
          ]
        ]
      },
      "bbox": [
        -76.00925153485636,
        35.076555859922244,
        -75.99815108692744,
        35.08568078961707
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:00.043691+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0882_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0882_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0882_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            407998.5,
            0.0,
            -1.0,
            3883000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.367,
                "maximum": 5.593,
                "mean": -0.797,
                "stddev": 1.049
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0881_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.00914049301537,
              35.0675399282066
            ],
            [
              -76.00914049301537,
              35.07666484141204
            ],
            [
              -75.99804130266396,
              35.07666484141204
            ],
            [
              -75.99804130266396,
              35.0675399282066
            ],
            [
              -76.00914049301537,
              35.0675399282066
            ]
          ]
        ]
      },
      "bbox": [
        -76.00914049301537,
        35.0675399282066,
        -75.99804130266396,
        35.07666484141204
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:00.217574+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0881_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0881_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0881_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            407998.5,
            0.0,
            -1.0,
            3882000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.319,
                "maximum": 5.461,
                "mean": 0.331,
                "stddev": 0.606
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0883_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.0093626260209,
              35.085571777901364
            ],
            [
              -76.0093626260209,
              35.09468198689192
            ],
            [
              -76.00004878161087,
              35.09468198689192
            ],
            [
              -76.00004878161087,
              35.085571777901364
            ],
            [
              -76.0093626260209,
              35.085571777901364
            ]
          ]
        ]
      },
      "bbox": [
        -76.0093626260209,
        35.085571777901364,
        -76.00004878161087,
        35.09468198689192
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:00.322685+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0883_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0883_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0883_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            839
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            407998.5,
            0.0,
            -1.0,
            3884000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.709,
                "maximum": -0.065,
                "mean": -1.202,
                "stddev": 0.412
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0884_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.00947376653073,
              35.094587682142325
            ],
            [
              -76.00947376653073,
              35.10371264483058
            ],
            [
              -75.99837080177183,
              35.10371264483058
            ],
            [
              -75.99837080177183,
              35.094587682142325
            ],
            [
              -76.00947376653073,
              35.094587682142325
            ]
          ]
        ]
      },
      "bbox": [
        -76.00947376653073,
        35.094587682142325,
        -75.99837080177183,
        35.10371264483058
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:00.427879+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0884_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0884_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0884_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            407998.5,
            0.0,
            -1.0,
            3885000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.942,
                "maximum": -0.213,
                "mean": -1.477,
                "stddev": 0.29
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0980_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.99800825000573,
              35.061580948921915
            ],
            [
              -75.99800825000573,
              35.06312466544417
            ],
            [
              -75.99665183325777,
              35.06312466544417
            ],
            [
              -75.99665183325777,
              35.061580948921915
            ],
            [
              -75.99800825000573,
              35.061580948921915
            ]
          ]
        ]
      },
      "bbox": [
        -75.99800825000573,
        35.061580948921915,
        -75.99665183325777,
        35.06312466544417
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:00.485831+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0980_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0980_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0980_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            170,
            122
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            408998.5,
            0.0,
            -1.0,
            3880497.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.429,
                "maximum": -1.351,
                "mean": -1.807,
                "stddev": 0.182
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0886_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.00592914959446,
              35.11265009914897
            ],
            [
              -76.00592914959446,
              35.11522990759514
            ],
            [
              -75.99920514951478,
              35.11522990759514
            ],
            [
              -75.99920514951478,
              35.11265009914897
            ],
            [
              -76.00592914959446,
              35.11265009914897
            ]
          ]
        ]
      },
      "bbox": [
        -76.00592914959446,
        35.11265009914897,
        -75.99920514951478,
        35.11522990759514
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:00.564762+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0886_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0886_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0886_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            280,
            610
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            408334.5,
            0.0,
            -1.0,
            3886278.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.867,
                "maximum": -1.878,
                "mean": -2.23,
                "stddev": 0.149
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0885_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -76.00958495640756,
              35.10360357264344
            ],
            [
              -76.00958495640756,
              35.11272855183572
            ],
            [
              -75.99848073239568,
              35.11272855183572
            ],
            [
              -75.99848073239568,
              35.10360357264344
            ],
            [
              -76.00958495640756,
              35.10360357264344
            ]
          ]
        ]
      },
      "bbox": [
        -76.00958495640756,
        35.10360357264344,
        -75.99848073239568,
        35.11272855183572
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:00.667194+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0885_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0885_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0885_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            407998.5,
            0.0,
            -1.0,
            3886000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.76,
                "maximum": -0.92,
                "mean": -1.87,
                "stddev": 0.219
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0981_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.99817324109769,
              35.07133622905858
            ],
            [
              -75.99817324109769,
              35.076702847623544
            ],
            [
              -75.99345852383355,
              35.076702847623544
            ],
            [
              -75.99345852383355,
              35.07133622905858
            ],
            [
              -75.99817324109769,
              35.07133622905858
            ]
          ]
        ]
      },
      "bbox": [
        -75.99817324109769,
        35.07133622905858,
        -75.99345852383355,
        35.076702847623544
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:00.835886+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0981_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0981_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0981_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            591,
            424
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            408998.5,
            0.0,
            -1.0,
            3882000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.285,
                "maximum": 1.958,
                "mean": 1.081,
                "stddev": 0.222
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0983_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.9982832640656,
              35.085663480113034
            ],
            [
              -75.9982832640656,
              35.094786559371414
            ],
            [
              -75.9872924152648,
              35.094786559371414
            ],
            [
              -75.9872924152648,
              35.085663480113034
            ],
            [
              -75.9982832640656,
              35.085663480113034
            ]
          ]
        ]
      },
      "bbox": [
        -75.9982832640656,
        35.085663480113034,
        -75.9872924152648,
        35.094786559371414
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:00.860138+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0983_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0983_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0983_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            992
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            409008.5,
            0.0,
            -1.0,
            3884000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.862,
                "maximum": 2.442,
                "mean": -0.348,
                "stddev": 0.967
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0982_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.99828307663667,
              35.07664662895734
            ],
            [
              -75.99828307663667,
              35.08577059502866
            ],
            [
              -75.98718378855844,
              35.08577059502866
            ],
            [
              -75.98718378855844,
              35.07664662895734
            ],
            [
              -75.99828307663667,
              35.07664662895734
            ]
          ]
        ]
      },
      "bbox": [
        -75.99828307663667,
        35.07664662895734,
        -75.98718378855844,
        35.08577059502866
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:01.043507+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0982_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0982_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0982_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            408998.5,
            0.0,
            -1.0,
            3883000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.988,
                "maximum": 8.393,
                "mean": 0.985,
                "stddev": 0.936
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0984_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.99850289409981,
              35.094678511570585
            ],
            [
              -75.99850289409981,
              35.103802509987325
            ],
            [
              -75.98740109022228,
              35.103802509987325
            ],
            [
              -75.98740109022228,
              35.094678511570585
            ],
            [
              -75.99850289409981,
              35.094678511570585
            ]
          ]
        ]
      },
      "bbox": [
        -75.99850289409981,
        35.094678511570585,
        -75.98740109022228,
        35.103802509987325
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:01.176596+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0984_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0984_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0984_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            408998.5,
            0.0,
            -1.0,
            3885000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.859,
                "maximum": 4.284,
                "mean": -1.056,
                "stddev": 0.534
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0985_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.99861287606696,
              35.10369443227807
            ],
            [
              -75.99861287606696,
              35.11281844687475
            ],
            [
              -75.9875098134521,
              35.11281844687475
            ],
            [
              -75.9875098134521,
              35.10369443227807
            ],
            [
              -75.99861287606696,
              35.10369443227807
            ]
          ]
        ]
      },
      "bbox": [
        -75.99861287606696,
        35.10369443227807,
        -75.9875098134521,
        35.11281844687475
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:01.248230+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0985_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0985_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0985_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            408998.5,
            0.0,
            -1.0,
            3886000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.757,
                "maximum": 3.786,
                "mean": -0.972,
                "stddev": 0.988
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD0986_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.99675735455777,
              35.112726413548074
            ],
            [
              -75.99675735455777,
              35.120824587321216
            ],
            [
              -75.98761858497554,
              35.120824587321216
            ],
            [
              -75.98761858497554,
              35.112726413548074
            ],
            [
              -75.99675735455777,
              35.112726413548074
            ]
          ]
        ]
      },
      "bbox": [
        -75.99675735455777,
        35.112726413548074,
        -75.98761858497554,
        35.120824587321216
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:01.318802+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD0986_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD0986_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD0986_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            890,
            824
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            409176.5,
            0.0,
            -1.0,
            3886888.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.901,
                "maximum": 2.756,
                "mean": -1.307,
                "stddev": 0.663
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1082_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.98731456962909,
              35.083092672372004
            ],
            [
              -75.98731456962909,
              35.0857943162533
            ],
            [
              -75.98434282965144,
              35.0857943162533
            ],
            [
              -75.98434282965144,
              35.083092672372004
            ],
            [
              -75.98731456962909,
              35.083092672372004
            ]
          ]
        ]
      },
      "bbox": [
        -75.98731456962909,
        35.083092672372004,
        -75.98434282965144,
        35.0857943162533
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:01.363958+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1082_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1082_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1082_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            297,
            268
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            409998.5,
            0.0,
            -1.0,
            3883000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.602,
                "maximum": 7.44,
                "mean": 1.914,
                "stddev": 1.003
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1085_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.98764074687395,
              35.10378429936018
            ],
            [
              -75.98764074687395,
              35.11290734901632
            ],
            [
              -75.97653884621491,
              35.11290734901632
            ],
            [
              -75.97653884621491,
              35.10378429936018
            ],
            [
              -75.98764074687395,
              35.10378429936018
            ]
          ]
        ]
      },
      "bbox": [
        -75.98764074687395,
        35.10378429936018,
        -75.97653884621491,
        35.11290734901632
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:01.396730+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1085_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1085_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1085_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            409998.5,
            0.0,
            -1.0,
            3886000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.19,
                "maximum": 4.335,
                "mean": 0.647,
                "stddev": 0.405
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1086_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.98774956922588,
              35.112800236215634
            ],
            [
              -75.98774956922588,
              35.121923301732274
            ],
            [
              -75.9766464097869,
              35.121923301732274
            ],
            [
              -75.9766464097869,
              35.112800236215634
            ],
            [
              -75.98774956922588,
              35.112800236215634
            ]
          ]
        ]
      },
      "bbox": [
        -75.98774956922588,
        35.112800236215634,
        -75.9766464097869,
        35.121923301732274
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:01.462495+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1086_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1086_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1086_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            409998.5,
            0.0,
            -1.0,
            3887000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.213,
                "maximum": 2.946,
                "mean": 0.191,
                "stddev": 0.924
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1083_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.98742324709683,
              35.085752384465444
            ],
            [
              -75.98742324709683,
              35.09487540241481
            ],
            [
              -75.97632386232226,
              35.09487540241481
            ],
            [
              -75.97632386232226,
              35.085752384465444
            ],
            [
              -75.98742324709683,
              35.085752384465444
            ]
          ]
        ]
      },
      "bbox": [
        -75.98742324709683,
        35.085752384465444,
        -75.97632386232226,
        35.09487540241481
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:01.501661+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1083_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1083_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1083_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            409998.5,
            0.0,
            -1.0,
            3884000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.346,
                "maximum": 8.682,
                "mean": 1.191,
                "stddev": 0.978
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1084_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.98753197283803,
              35.09476834877624
            ],
            [
              -75.98753197283803,
              35.10389138257661
            ],
            [
              -75.97643133040037,
              35.10389138257661
            ],
            [
              -75.97643133040037,
              35.09476834877624
            ],
            [
              -75.98753197283803,
              35.09476834877624
            ]
          ]
        ]
      },
      "bbox": [
        -75.98753197283803,
        35.09476834877624,
        -75.97643133040037,
        35.10389138257661
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:01.544090+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1084_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1084_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1084_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            409998.5,
            0.0,
            -1.0,
            3885000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.605,
                "maximum": 2.068,
                "mean": 0.394,
                "stddev": 0.367
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1087_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.98612747465442,
              35.12182965198437
            ],
            [
              -75.98612747465442,
              35.1248173311991
            ],
            [
              -75.976764994545,
              35.1248173311991
            ],
            [
              -75.976764994545,
              35.12182965198437
            ],
            [
              -75.98612747465442,
              35.12182965198437
            ]
          ]
        ]
      },
      "bbox": [
        -75.98612747465442,
        35.12182965198437,
        -75.976764994545,
        35.1248173311991
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:01.740233+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1087_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1087_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1087_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            323,
            850
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            410149.5,
            0.0,
            -1.0,
            3887321.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.402,
                "maximum": -0.201,
                "mean": -1.119,
                "stddev": 0.331
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1183_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.97645348495665,
              35.09160242154726
            ],
            [
              -75.97645348495665,
              35.09491409109858
            ],
            [
              -75.97157698054244,
              35.09491409109858
            ],
            [
              -75.97157698054244,
              35.09160242154726
            ],
            [
              -75.97645348495665,
              35.09160242154726
            ]
          ]
        ]
      },
      "bbox": [
        -75.97645348495665,
        35.09160242154726,
        -75.97157698054244,
        35.09491409109858
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:01.839102+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1183_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1183_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1183_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            363,
            441
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            410998.5,
            0.0,
            -1.0,
            3884000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.413,
                "maximum": 8.907,
                "mean": 2.066,
                "stddev": 1.122
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1184_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.97656100328155,
              35.09485719374503
            ],
            [
              -75.97656100328155,
              35.10397926258434
            ],
            [
              -75.96546152284206,
              35.10397926258434
            ],
            [
              -75.96546152284206,
              35.09485719374503
            ],
            [
              -75.97656100328155,
              35.09485719374503
            ]
          ]
        ]
      },
      "bbox": [
        -75.97656100328155,
        35.09485719374503,
        -75.96546152284206,
        35.10397926258434
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:01.917634+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1184_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1184_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1184_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            410998.5,
            0.0,
            -1.0,
            3885000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.297,
                "maximum": 8.855,
                "mean": 1.059,
                "stddev": 0.934
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1185_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.97666856936497,
              35.10387317387552
            ],
            [
              -75.97666856936497,
              35.11299525824634
            ],
            [
              -75.9655678312203,
              35.11299525824634
            ],
            [
              -75.9655678312203,
              35.10387317387552
            ],
            [
              -75.97666856936497,
              35.10387317387552
            ]
          ]
        ]
      },
      "bbox": [
        -75.97666856936497,
        35.10387317387552,
        -75.9655678312203,
        35.11299525824634
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:02.031403+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1185_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1185_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1185_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            410998.5,
            0.0,
            -1.0,
            3886000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.01,
                "maximum": 4.863,
                "mean": 0.743,
                "stddev": 0.288
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1186_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.97677618322801,
              35.11288914028389
            ],
            [
              -75.97677618322801,
              35.122011240190915
            ],
            [
              -75.96567418681978,
              35.122011240190915
            ],
            [
              -75.96567418681978,
              35.11288914028389
            ],
            [
              -75.97677618322801,
              35.11288914028389
            ]
          ]
        ]
      },
      "bbox": [
        -75.97677618322801,
        35.11288914028389,
        -75.96567418681978,
        35.122011240190915
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:02.243513+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1186_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1186_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1186_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            410998.5,
            0.0,
            -1.0,
            3887000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.393,
                "maximum": 3.039,
                "mean": -0.038,
                "stddev": 0.996
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1187_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.97681590481585,
              35.12190509296852
            ],
            [
              -75.97681590481585,
              35.12533813406338
            ],
            [
              -75.96578058966134,
              35.12533813406338
            ],
            [
              -75.96578058966134,
              35.12190509296852
            ],
            [
              -75.97681590481585,
              35.12190509296852
            ]
          ]
        ]
      },
      "bbox": [
        -75.97681590481585,
        35.12190509296852,
        -75.96578058966134,
        35.12533813406338
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:02.317021+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1187_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1187_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1187_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            371,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            410998.5,
            0.0,
            -1.0,
            3887369.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.064,
                "maximum": -0.219,
                "mean": -1.348,
                "stddev": 0.339
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1284_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.96558998596647,
              35.09874980408001
            ],
            [
              -75.96558998596647,
              35.104066149996555
            ],
            [
              -75.95453601497968,
              35.104066149996555
            ],
            [
              -75.95453601497968,
              35.09874980408001
            ],
            [
              -75.96558998596647,
              35.09874980408001
            ]
          ]
        ]
      },
      "bbox": [
        -75.96558998596647,
        35.09874980408001,
        -75.95453601497968,
        35.104066149996555
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:02.396645+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1284_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1284_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1284_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            580,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            411998.5,
            0.0,
            -1.0,
            3885000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.299,
                "maximum": 9.105,
                "mean": -0.08,
                "stddev": 3.027
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1384_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.95461892142905,
              35.10087430125479
            ],
            [
              -75.95461892142905,
              35.10412509502752
            ],
            [
              -75.9470448547521,
              35.10412509502752
            ],
            [
              -75.9470448547521,
              35.10087430125479
            ],
            [
              -75.95461892142905,
              35.10087430125479
            ]
          ]
        ]
      },
      "bbox": [
        -75.95461892142905,
        35.10087430125479,
        -75.9470448547521,
        35.10412509502752
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:02.490444+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1384_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1384_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1384_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            354,
            687
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            412998.5,
            0.0,
            -1.0,
            3885000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.202,
                "maximum": -1.865,
                "mean": -4.475,
                "stddev": 0.513
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1287_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.96585703435728,
              35.12199303335519
            ],
            [
              -75.96585703435728,
              35.12669634564394
            ],
            [
              -75.95480711092243,
              35.12669634564394
            ],
            [
              -75.95480711092243,
              35.12199303335519
            ],
            [
              -75.96585703435728,
              35.12199303335519
            ]
          ]
        ]
      },
      "bbox": [
        -75.96585703435728,
        35.12199303335519,
        -75.95480711092243,
        35.12669634564394
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:02.559338+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1287_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1287_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1287_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            512,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            411998.5,
            0.0,
            -1.0,
            3887510.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.186,
                "maximum": -0.134,
                "mean": -0.901,
                "stddev": 0.39
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1285_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.9656963440764,
              35.103961055809975
            ],
            [
              -75.9656963440764,
              35.11308217455085
            ],
            [
              -75.9545967690044,
              35.11308217455085
            ],
            [
              -75.9545967690044,
              35.103961055809975
            ],
            [
              -75.9656963440764,
              35.103961055809975
            ]
          ]
        ]
      },
      "bbox": [
        -75.9656963440764,
        35.103961055809975,
        -75.9545967690044,
        35.11308217455085
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:02.637799+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1285_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1285_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1285_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            411998.5,
            0.0,
            -1.0,
            3886000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.123,
                "maximum": 9.345,
                "mean": 0.906,
                "stddev": 0.844
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1286_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.9658027494295,
              35.1129770514413
            ],
            [
              -75.9658027494295,
              35.122098185393966
            ],
            [
              -75.9547019166106,
              35.122098185393966
            ],
            [
              -75.9547019166106,
              35.1129770514413
            ],
            [
              -75.9658027494295,
              35.1129770514413
            ]
          ]
        ]
      },
      "bbox": [
        -75.9658027494295,
        35.1129770514413,
        -75.9547019166106,
        35.122098185393966
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:02.712627+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1286_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1286_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1286_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            411998.5,
            0.0,
            -1.0,
            3887000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.077,
                "maximum": 1.161,
                "mean": -0.157,
                "stddev": 0.408
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1386_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.954829268367,
              35.11306396967388
            ],
            [
              -75.954829268367,
              35.122184137327636
            ],
            [
              -75.9437295996958,
              35.122184137327636
            ],
            [
              -75.9437295996958,
              35.11306396967388
            ],
            [
              -75.954829268367,
              35.11306396967388
            ]
          ]
        ]
      },
      "bbox": [
        -75.954829268367,
        35.11306396967388,
        -75.9437295996958,
        35.122184137327636
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:02.852620+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1386_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1386_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1386_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            412998.5,
            0.0,
            -1.0,
            3887000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.483,
                "maximum": 1.985,
                "mean": 0.267,
                "stddev": 0.332
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1385_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.95472407154466,
              35.10404794514962
            ],
            [
              -75.95472407154466,
              35.11316809791605
            ],
            [
              -75.94362566010344,
              35.11316809791605
            ],
            [
              -75.94362566010344,
              35.10404794514962
            ],
            [
              -75.95472407154466,
              35.10404794514962
            ]
          ]
        ]
      },
      "bbox": [
        -75.95472407154466,
        35.10404794514962,
        -75.94362566010344,
        35.11316809791605
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:02.929280+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1385_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1385_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1385_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            412998.5,
            0.0,
            -1.0,
            3886000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.279,
                "maximum": 10.443,
                "mean": -0.407,
                "stddev": 3.009
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1485_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.94375175230616,
              35.10628867981473
            ],
            [
              -75.94375175230616,
              35.11325302832831
            ],
            [
              -75.93267905374728,
              35.11325302832831
            ],
            [
              -75.93267905374728,
              35.10628867981473
            ],
            [
              -75.94375175230616,
              35.10628867981473
            ]
          ]
        ]
      },
      "bbox": [
        -75.94375175230616,
        35.10628867981473,
        -75.93267905374728,
        35.11325302832831
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:03.005588+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1485_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1485_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1485_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            763,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            413998.5,
            0.0,
            -1.0,
            3886000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.28,
                "maximum": 9.751,
                "mean": -3.676,
                "stddev": 2.224
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1387_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.9549249328205,
              35.12207998048696
            ],
            [
              -75.9549249328205,
              35.130379705260374
            ],
            [
              -75.94383358545734,
              35.130379705260374
            ],
            [
              -75.94383358545734,
              35.12207998048696
            ],
            [
              -75.9549249328205,
              35.12207998048696
            ]
          ]
        ]
      },
      "bbox": [
        -75.9549249328205,
        35.12207998048696,
        -75.94383358545734,
        35.130379705260374
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:03.052006+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1387_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1387_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1387_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            911,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            412998.5,
            0.0,
            -1.0,
            3887909.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.895,
                "maximum": 0.571,
                "mean": -0.226,
                "stddev": 0.104
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1486_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.94385574057718,
              35.11314989496784
            ],
            [
              -75.94385574057718,
              35.122269095978275
            ],
            [
              -75.9327572366118,
              35.122269095978275
            ],
            [
              -75.9327572366118,
              35.11314989496784
            ],
            [
              -75.94385574057718,
              35.11314989496784
            ]
          ]
        ]
      },
      "bbox": [
        -75.94385574057718,
        35.11314989496784,
        -75.9327572366118,
        35.122269095978275
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:03.115108+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1486_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1486_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1486_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            413998.5,
            0.0,
            -1.0,
            3887000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.11,
                "maximum": 8.969,
                "mean": 0.529,
                "stddev": 1.875
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1488_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.94218311078241,
              35.13119605162968
            ],
            [
              -75.94218311078241,
              35.13425142868159
            ],
            [
              -75.93296283664645,
              35.13425142868159
            ],
            [
              -75.93296283664645,
              35.13119605162968
            ],
            [
              -75.94218311078241,
              35.13119605162968
            ]
          ]
        ]
      },
      "bbox": [
        -75.94218311078241,
        35.13119605162968,
        -75.93296283664645,
        35.13425142868159
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:03.178742+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1488_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1488_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1488_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            331,
            837
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            414163.5,
            0.0,
            -1.0,
            3888329.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.804,
                "maximum": -0.012,
                "mean": -0.237,
                "stddev": 0.093
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1487_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.94395977503885,
              35.12216593435003
            ],
            [
              -75.94395977503885,
              35.131285149927706
            ],
            [
              -75.93286001380271,
              35.131285149927706
            ],
            [
              -75.93286001380271,
              35.12216593435003
            ],
            [
              -75.94395977503885,
              35.12216593435003
            ]
          ]
        ]
      },
      "bbox": [
        -75.94395977503885,
        35.12216593435003,
        -75.93286001380271,
        35.131285149927706
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:03.286141+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1487_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1487_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1487_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            413998.5,
            0.0,
            -1.0,
            3888000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.763,
                "maximum": 5.249,
                "mean": 0.093,
                "stddev": 0.449
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1585_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.93277938689737,
              35.112883200394755
            ],
            [
              -75.93277938689737,
              35.11326062336062
            ],
            [
              -75.93176571854335,
              35.11326062336062
            ],
            [
              -75.93176571854335,
              35.112883200394755
            ],
            [
              -75.93277938689737,
              35.112883200394755
            ]
          ]
        ]
      },
      "bbox": [
        -75.93277938689737,
        35.112883200394755,
        -75.93176571854335,
        35.11326062336062
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:03.416712+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1585_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1585_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1585_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            41,
            92
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            414998.5,
            0.0,
            -1.0,
            3886000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.233,
                "maximum": -4.697,
                "mean": -4.971,
                "stddev": 0.101
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1588_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.93305792279554,
              35.13126694885144
            ],
            [
              -75.93305792279554,
              35.13776153694002
            ],
            [
              -75.92198801021154,
              35.13776153694002
            ],
            [
              -75.92198801021154,
              35.13126694885144
            ],
            [
              -75.93305792279554,
              35.13126694885144
            ]
          ]
        ]
      },
      "bbox": [
        -75.93305792279554,
        35.13126694885144,
        -75.92198801021154,
        35.13776153694002
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:03.538954+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1588_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1588_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1588_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            711,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            414998.5,
            0.0,
            -1.0,
            3888709.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.211,
                "maximum": 0.941,
                "mean": -0.246,
                "stddev": 0.187
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1586_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.93288216659671,
              35.11323482730955
            ],
            [
              -75.93288216659671,
              35.12235306133239
            ],
            [
              -75.92178482789508,
              35.12235306133239
            ],
            [
              -75.92178482789508,
              35.11323482730955
            ],
            [
              -75.93288216659671,
              35.11323482730955
            ]
          ]
        ]
      },
      "bbox": [
        -75.93288216659671,
        35.11323482730955,
        -75.92178482789508,
        35.12235306133239
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:03.635730+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1586_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1586_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1586_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            414998.5,
            0.0,
            -1.0,
            3887000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.528,
                "maximum": 9.121,
                "mean": -1.272,
                "stddev": 3.121
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1587_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.93298499195002,
              35.122250894930765
            ],
            [
              -75.93298499195002,
              35.13136914319616
            ],
            [
              -75.92188639649524,
              35.13136914319616
            ],
            [
              -75.92188639649524,
              35.122250894930765
            ],
            [
              -75.93298499195002,
              35.122250894930765
            ]
          ]
        ]
      },
      "bbox": [
        -75.93298499195002,
        35.122250894930765,
        -75.92188639649524,
        35.13136914319616
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:03.729962+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1587_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1587_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1587_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            414998.5,
            0.0,
            -1.0,
            3888000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.857,
                "maximum": 8.499,
                "mean": 0.84,
                "stddev": 0.907
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1686_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.9219085469623,
              35.11815139559251
            ],
            [
              -75.9219085469623,
              35.122417699363766
            ],
            [
              -75.91330219390869,
              35.122417699363766
            ],
            [
              -75.91330219390869,
              35.11815139559251
            ],
            [
              -75.9219085469623,
              35.11815139559251
            ]
          ]
        ]
      },
      "bbox": [
        -75.9219085469623,
        35.11815139559251,
        -75.91330219390869,
        35.122417699363766
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:03.895502+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1686_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1686_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1686_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            466,
            780
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            415998.5,
            0.0,
            -1.0,
            3887000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.751,
                "maximum": -1.01,
                "mean": -4.537,
                "stddev": 0.946
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1687_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.92201016318711,
              35.122334862215666
            ],
            [
              -75.92201016318711,
              35.13145214282459
            ],
            [
              -75.91091273407164,
              35.13145214282459
            ],
            [
              -75.91091273407164,
              35.122334862215666
            ],
            [
              -75.92201016318711,
              35.122334862215666
            ]
          ]
        ]
      },
      "bbox": [
        -75.92201016318711,
        35.122334862215666,
        -75.91091273407164,
        35.13145214282459
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:03.976047+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1687_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1687_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1687_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            415998.5,
            0.0,
            -1.0,
            3888000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.9,
                "maximum": 9.926,
                "mean": 0.327,
                "stddev": 2.633
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1689_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.91575148890465,
              35.14041537311413
            ],
            [
              -75.91575148890465,
              35.141964909153174
            ],
            [
              -75.91111358780863,
              35.141964909153174
            ],
            [
              -75.91111358780863,
              35.14041537311413
            ],
            [
              -75.91575148890465,
              35.14041537311413
            ]
          ]
        ]
      },
      "bbox": [
        -75.91575148890465,
        35.14041537311413,
        -75.91111358780863,
        35.141964909153174
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:04.049641+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1689_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1689_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1689_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            168,
            421
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            416579.5,
            0.0,
            -1.0,
            3889166.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.844,
                "maximum": -0.2,
                "mean": -0.568,
                "stddev": 0.159
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1787_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.91103528928708,
              35.123635011762445
            ],
            [
              -75.91103528928708,
              35.13153414879984
            ],
            [
              -75.89995241587594,
              35.13153414879984
            ],
            [
              -75.89995241587594,
              35.123635011762445
            ],
            [
              -75.91103528928708,
              35.123635011762445
            ]
          ]
        ]
      },
      "bbox": [
        -75.91103528928708,
        35.123635011762445,
        -75.89995241587594,
        35.13153414879984
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:04.129652+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1787_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1787_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1787_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            867,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            416998.5,
            0.0,
            -1.0,
            3888000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.947,
                "maximum": 9.708,
                "mean": -1.656,
                "stddev": 2.967
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1788_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.91113574096372,
              35.131433945611874
            ],
            [
              -75.91113574096372,
              35.14055027181752
            ],
            [
              -75.90003822247063,
              35.14055027181752
            ],
            [
              -75.90003822247063,
              35.131433945611874
            ],
            [
              -75.91113574096372,
              35.131433945611874
            ]
          ]
        ]
      },
      "bbox": [
        -75.91113574096372,
        35.131433945611874,
        -75.90003822247063,
        35.14055027181752
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:04.265556+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1788_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1788_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1788_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            416998.5,
            0.0,
            -1.0,
            3889000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.077,
                "maximum": 8.925,
                "mean": 0.702,
                "stddev": 1.179
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1688_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.92211182454908,
              35.13135094405133
            ],
            [
              -75.92211182454908,
              35.14046823858239
            ],
            [
              -75.9110131386406,
              35.14046823858239
            ],
            [
              -75.9110131386406,
              35.13135094405133
            ],
            [
              -75.92211182454908,
              35.13135094405133
            ]
          ]
        ]
      },
      "bbox": [
        -75.92211182454908,
        35.13135094405133,
        -75.9110131386406,
        35.14046823858239
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:04.396830+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1688_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1688_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1688_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            415998.5,
            0.0,
            -1.0,
            3889000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.354,
                "maximum": 6.376,
                "mean": -0.174,
                "stddev": 0.882
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1887_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.9000603707869,
              35.131209405097685
            ],
            [
              -75.9000603707869,
              35.1315394447951
            ],
            [
              -75.8993214806944,
              35.1315394447951
            ],
            [
              -75.8993214806944,
              35.131209405097685
            ],
            [
              -75.9000603707869,
              35.131209405097685
            ]
          ]
        ]
      },
      "bbox": [
        -75.9000603707869,
        35.131209405097685,
        -75.8993214806944,
        35.1315394447951
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:04.466831+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1887_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1887_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1887_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            36,
            67
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            417998.5,
            0.0,
            -1.0,
            3888000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.498,
                "maximum": -3.862,
                "mean": -4.283,
                "stddev": 0.086
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1789_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.91119733989959,
              35.140450041342206
            ],
            [
              -75.91119733989959,
              35.14607714846138
            ],
            [
              -75.90013746193469,
              35.14607714846138
            ],
            [
              -75.90013746193469,
              35.140450041342206
            ],
            [
              -75.91119733989959,
              35.140450041342206
            ]
          ]
        ]
      },
      "bbox": [
        -75.91119733989959,
        35.140450041342206,
        -75.90013746193469,
        35.14607714846138
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:04.525169+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1789_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1789_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1789_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            615,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            416998.5,
            0.0,
            -1.0,
            3889613.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.933,
                "maximum": 0.976,
                "mean": -0.435,
                "stddev": 0.244
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1890_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.890759661145,
              35.14961844849136
            ],
            [
              -75.890759661145,
              35.1503055441637
            ],
            [
              -75.8892703426663,
              35.1503055441637
            ],
            [
              -75.8892703426663,
              35.14961844849136
            ],
            [
              -75.890759661145,
              35.14961844849136
            ]
          ]
        ]
      },
      "bbox": [
        -75.890759661145,
        35.14961844849136,
        -75.8892703426663,
        35.1503055441637
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:04.605202+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1890_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1890_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1890_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            75,
            135
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            418864.5,
            0.0,
            -1.0,
            3890073.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.621,
                "maximum": -0.302,
                "mean": -0.484,
                "stddev": 0.036
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1988_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.88918344047075,
              35.13504113864698
            ],
            [
              -75.88918344047075,
              35.14071135628551
            ],
            [
              -75.87812523864542,
              35.14071135628551
            ],
            [
              -75.87812523864542,
              35.13504113864698
            ],
            [
              -75.88918344047075,
              35.13504113864698
            ]
          ]
        ]
      },
      "bbox": [
        -75.88918344047075,
        35.13504113864698,
        -75.87812523864542,
        35.14071135628551
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:04.716469+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1988_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1988_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1988_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            620,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            418998.5,
            0.0,
            -1.0,
            3889000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.946,
                "maximum": 7.75,
                "mean": -2.569,
                "stddev": 2.62
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1888_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.90015961275854,
              35.13151595351992
            ],
            [
              -75.90015961275854,
              35.140631311056175
            ],
            [
              -75.88906326223857,
              35.140631311056175
            ],
            [
              -75.88906326223857,
              35.13151595351992
            ],
            [
              -75.90015961275854,
              35.13151595351992
            ]
          ]
        ]
      },
      "bbox": [
        -75.90015961275854,
        35.13151595351992,
        -75.88906326223857,
        35.140631311056175
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:04.814382+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1888_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1888_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1888_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            417998.5,
            0.0,
            -1.0,
            3889000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.067,
                "maximum": 8.15,
                "mean": 0.302,
                "stddev": 2.293
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1889_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.90025889881281,
              35.14053207651078
            ],
            [
              -75.90025889881281,
              35.14964744732347
            ],
            [
              -75.88916129197925,
              35.14964744732347
            ],
            [
              -75.88916129197925,
              35.14053207651078
            ],
            [
              -75.90025889881281,
              35.14053207651078
            ]
          ]
        ]
      },
      "bbox": [
        -75.90025889881281,
        35.14053207651078,
        -75.88916129197925,
        35.14964744732347
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:04.899424+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1889_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1889_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1889_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            417998.5,
            0.0,
            -1.0,
            3890000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.141,
                "maximum": 8.638,
                "mean": 0.121,
                "stddev": 0.895
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1990_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.88933184605054,
              35.149629253924694
            ],
            [
              -75.88933184605054,
              35.15435280540419
            ],
            [
              -75.87828194148472,
              35.15435280540419
            ],
            [
              -75.87828194148472,
              35.149629253924694
            ],
            [
              -75.88933184605054,
              35.149629253924694
            ]
          ]
        ]
      },
      "bbox": [
        -75.88933184605054,
        35.149629253924694,
        -75.87828194148472,
        35.15435280540419
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:04.998700+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1990_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1990_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1990_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            515,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            418998.5,
            0.0,
            -1.0,
            3890513.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.072,
                "maximum": 0.904,
                "mean": -0.462,
                "stddev": 0.169
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD1989_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.88928151626338,
              35.140613117683586
            ],
            [
              -75.88928151626338,
              35.14972751915793
            ],
            [
              -75.87818507847952,
              35.14972751915793
            ],
            [
              -75.87818507847952,
              35.140613117683586
            ],
            [
              -75.88928151626338,
              35.140613117683586
            ]
          ]
        ]
      },
      "bbox": [
        -75.88928151626338,
        35.140613117683586,
        -75.87818507847952,
        35.14972751915793
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:05.110552+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD1989_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD1989_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD1989_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            418998.5,
            0.0,
            -1.0,
            3890000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.558,
                "maximum": 8.709,
                "mean": 0.768,
                "stddev": 1.482
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2088_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.87820722463755,
              35.138457154345524
            ],
            [
              -75.87820722463755,
              35.140754167395784
            ],
            [
              -75.8722340519417,
              35.140754167395784
            ],
            [
              -75.8722340519417,
              35.138457154345524
            ],
            [
              -75.87820722463755,
              35.138457154345524
            ]
          ]
        ]
      },
      "bbox": [
        -75.87820722463755,
        35.138457154345524,
        -75.8722340519417,
        35.140754167395784
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:05.185103+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2088_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2088_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2088_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            250,
            542
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            419998.5,
            0.0,
            -1.0,
            3889000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.37,
                "maximum": -3.981,
                "mean": -5.036,
                "stddev": 0.567
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2189_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.8673266210082,
              35.14345002758687
            ],
            [
              -75.8673266210082,
              35.14988467975713
            ],
            [
              -75.85626056800729,
              35.14988467975713
            ],
            [
              -75.85626056800729,
              35.14345002758687
            ],
            [
              -75.8673266210082,
              35.14345002758687
            ]
          ]
        ]
      },
      "bbox": [
        -75.8673266210082,
        35.14345002758687,
        -75.85626056800729,
        35.14988467975713
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:05.269447+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2189_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2189_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2189_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            705,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            420998.5,
            0.0,
            -1.0,
            3890000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.829,
                "maximum": 7.468,
                "mean": -3.011,
                "stddev": 2.255
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2090_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.87839644302305,
              35.14970932769463
            ],
            [
              -75.87839644302305,
              35.1583990121758
            ],
            [
              -75.86730447467917,
              35.1583990121758
            ],
            [
              -75.86730447467917,
              35.14970932769463
            ],
            [
              -75.87839644302305,
              35.14970932769463
            ]
          ]
        ]
      },
      "bbox": [
        -75.87839644302305,
        35.14970932769463,
        -75.86730447467917,
        35.1583990121758
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:05.328064+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2090_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2090_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2090_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            955,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            419998.5,
            0.0,
            -1.0,
            3890953.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.456,
                "maximum": 3.474,
                "mean": -0.035,
                "stddev": 0.568
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2089_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.87830409014934,
              35.14069316484774
            ],
            [
              -75.87830409014934,
              35.149806596640005
            ],
            [
              -75.86720882197275,
              35.149806596640005
            ],
            [
              -75.86720882197275,
              35.14069316484774
            ],
            [
              -75.87830409014934,
              35.14069316484774
            ]
          ]
        ]
      },
      "bbox": [
        -75.87830409014934,
        35.14069316484774,
        -75.86720882197275,
        35.149806596640005
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:05.407401+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2089_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2089_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2089_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            419998.5,
            0.0,
            -1.0,
            3890000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.443,
                "maximum": 8.229,
                "mean": -0.786,
                "stddev": 2.839
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2191_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.86650943688682,
              35.15881141772739
            ],
            [
              -75.86650943688682,
              35.162885960236345
            ],
            [
              -75.85643242846629,
              35.162885960236345
            ],
            [
              -75.85643242846629,
              35.15881141772739
            ],
            [
              -75.86650943688682,
              35.15881141772739
            ]
          ]
        ]
      },
      "bbox": [
        -75.86650943688682,
        35.15881141772739,
        -75.85643242846629,
        35.162885960236345
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:05.482668+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2191_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2191_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2191_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            444,
            914
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            421085.5,
            0.0,
            -1.0,
            3891442.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.82,
                "maximum": -0.03,
                "mean": -0.329,
                "stddev": 0.091
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2190_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.86742231870983,
              35.149788407112865
            ],
            [
              -75.86742231870983,
              35.15890088118424
            ],
            [
              -75.85632696538511,
              35.15890088118424
            ],
            [
              -75.85632696538511,
              35.149788407112865
            ],
            [
              -75.86742231870983,
              35.149788407112865
            ]
          ]
        ]
      },
      "bbox": [
        -75.86742231870983,
        35.149788407112865,
        -75.85632696538511,
        35.15890088118424
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:05.568823+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2190_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2190_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2190_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            420998.5,
            0.0,
            -1.0,
            3891000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.929,
                "maximum": 8.548,
                "mean": 0.141,
                "stddev": 1.266
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2289_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.85634910937739,
              35.14822554204168
            ],
            [
              -75.85634910937739,
              35.149918875605465
            ],
            [
              -75.85145779862079,
              35.149918875605465
            ],
            [
              -75.85145779862079,
              35.14822554204168
            ],
            [
              -75.85634910937739,
              35.14822554204168
            ]
          ]
        ]
      },
      "bbox": [
        -75.85634910937739,
        35.14822554204168,
        -75.85145779862079,
        35.149918875605465
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:05.632698+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2289_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2289_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2289_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            184,
            444
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            421998.5,
            0.0,
            -1.0,
            3890000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.001,
                "maximum": -4.2,
                "mean": -4.893,
                "stddev": 0.436
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2390_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.84546483176555,
              35.15263943615561
            ],
            [
              -75.84546483176555,
              35.15905411518309
            ],
            [
              -75.83439934390665,
              35.15905411518309
            ],
            [
              -75.83439934390665,
              35.15263943615561
            ],
            [
              -75.84546483176555,
              35.15263943615561
            ]
          ]
        ]
      },
      "bbox": [
        -75.84546483176555,
        35.15263943615561,
        -75.83439934390665,
        35.15905411518309
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:05.717175+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2390_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2390_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2390_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            703,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            422998.5,
            0.0,
            -1.0,
            3891000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.748,
                "maximum": 7.281,
                "mean": -2.64,
                "stddev": 2.44
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2291_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.85652498302163,
              35.1588826935697
            ],
            [
              -75.85652498302163,
              35.166740956086656
            ],
            [
              -75.8454426876065,
              35.166740956086656
            ],
            [
              -75.8454426876065,
              35.1588826935697
            ],
            [
              -75.85652498302163,
              35.1588826935697
            ]
          ]
        ]
      },
      "bbox": [
        -75.85652498302163,
        35.1588826935697,
        -75.8454426876065,
        35.166740956086656
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:05.780269+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2291_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2291_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2291_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            863,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            421998.5,
            0.0,
            -1.0,
            3891861.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.749,
                "maximum": 5.065,
                "mean": -0.031,
                "stddev": 0.575
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2290_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.85644359622302,
              35.14986649216684
            ],
            [
              -75.85644359622302,
              35.15897799554367
            ],
            [
              -75.84534941414002,
              35.15897799554367
            ],
            [
              -75.84534941414002,
              35.14986649216684
            ],
            [
              -75.85644359622302,
              35.14986649216684
            ]
          ]
        ]
      },
      "bbox": [
        -75.85644359622302,
        35.14986649216684,
        -75.84534941414002,
        35.15897799554367
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:05.837756+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2290_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2290_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2290_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            421998.5,
            0.0,
            -1.0,
            3891000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.894,
                "maximum": 7.433,
                "mean": -0.94,
                "stddev": 2.644
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2392_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.84231623504824,
              35.167998819079
            ],
            [
              -75.84231623504824,
              35.17099161226742
            ],
            [
              -75.8345559875249,
              35.17099161226742
            ],
            [
              -75.8345559875249,
              35.167998819079
            ],
            [
              -75.84231623504824,
              35.167998819079
            ]
          ]
        ]
      },
      "bbox": [
        -75.84231623504824,
        35.167998819079,
        -75.8345559875249,
        35.17099161226742
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:05.921013+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2392_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2392_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2392_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            326,
            704
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            423296.5,
            0.0,
            -1.0,
            3892324.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.951,
                "maximum": -0.029,
                "mean": -0.359,
                "stddev": 0.132
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2391_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.84555814916953,
              35.158959809867326
            ],
            [
              -75.84555814916953,
              35.16807035386395
            ],
            [
              -75.83446388405613,
              35.16807035386395
            ],
            [
              -75.83446388405613,
              35.158959809867326
            ],
            [
              -75.84555814916953,
              35.158959809867326
            ]
          ]
        ]
      },
      "bbox": [
        -75.84555814916953,
        35.158959809867326,
        -75.83446388405613,
        35.16807035386395
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:06.013528+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2391_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2391_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2391_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            422998.5,
            0.0,
            -1.0,
            3892000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.537,
                "maximum": 8.293,
                "mean": 0.478,
                "stddev": 1.2
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2490_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.8344860258752,
              35.157485137020075
            ],
            [
              -75.8344860258752,
              35.15908661599238
            ],
            [
              -75.82971625919251,
              35.15908661599238
            ],
            [
              -75.82971625919251,
              35.157485137020075
            ],
            [
              -75.8344860258752,
              35.157485137020075
            ]
          ]
        ]
      },
      "bbox": [
        -75.8344860258752,
        35.157485137020075,
        -75.82971625919251,
        35.15908661599238
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:06.091133+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2490_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2490_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2490_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            174,
            433
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            423998.5,
            0.0,
            -1.0,
            3891000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.335,
                "maximum": -3.207,
                "mean": -4.198,
                "stddev": 0.49
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2492_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.83464723817698,
              35.168052170103515
            ],
            [
              -75.83464723817698,
              35.17490769251067
            ],
            [
              -75.82357593163294,
              35.17490769251067
            ],
            [
              -75.82357593163294,
              35.168052170103515
            ],
            [
              -75.83464723817698,
              35.168052170103515
            ]
          ]
        ]
      },
      "bbox": [
        -75.83464723817698,
        35.168052170103515,
        -75.82357593163294,
        35.17490769251067
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:06.233583+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2492_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2492_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2492_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            752,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            423998.5,
            0.0,
            -1.0,
            3892750.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.844,
                "maximum": 1.818,
                "mean": -0.577,
                "stddev": 0.413
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2591_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.82359807361453,
              35.16140119054591
            ],
            [
              -75.82359807361453,
              35.168219658532415
            ],
            [
              -75.8125289298991,
              35.168219658532415
            ],
            [
              -75.8125289298991,
              35.16140119054591
            ],
            [
              -75.82359807361453,
              35.16140119054591
            ]
          ]
        ]
      },
      "bbox": [
        -75.82359807361453,
        35.16140119054591,
        -75.8125289298991,
        35.168219658532415
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:06.369685+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2591_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2591_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2591_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            748,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            424998.5,
            0.0,
            -1.0,
            3892000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.167,
                "maximum": 7.362,
                "mean": -2.061,
                "stddev": 2.224
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2491_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.83457813184862,
              35.159035931445615
            ],
            [
              -75.83457813184862,
              35.16814550373546
            ],
            [
              -75.82348503961175,
              35.16814550373546
            ],
            [
              -75.82348503961175,
              35.159035931445615
            ],
            [
              -75.83457813184862,
              35.159035931445615
            ]
          ]
        ]
      },
      "bbox": [
        -75.83457813184862,
        35.159035931445615,
        -75.82348503961175,
        35.16814550373546
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:06.476663+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2491_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2491_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2491_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            423998.5,
            0.0,
            -1.0,
            3892000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.518,
                "maximum": 9.325,
                "mean": -0.324,
                "stddev": 2.212
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2593_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.81787663288884,
              35.177183086146165
            ],
            [
              -75.81787663288884,
              35.17910230030932
            ],
            [
              -75.8126855557588,
              35.17910230030932
            ],
            [
              -75.8126855557588,
              35.177183086146165
            ],
            [
              -75.81787663288884,
              35.177183086146165
            ]
          ]
        ]
      },
      "bbox": [
        -75.81787663288884,
        35.177183086146165,
        -75.8126855557588,
        35.17910230030932
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:06.556719+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2593_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2593_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2593_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            209,
            471
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            425529.5,
            0.0,
            -1.0,
            3893207.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.855,
                "maximum": -0.276,
                "mean": -0.661,
                "stddev": 0.084
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2592_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.82368900851455,
              35.16812732191523
            ],
            [
              -75.82368900851455,
              35.1772359331652
            ],
            [
              -75.81259583536693,
              35.1772359331652
            ],
            [
              -75.81259583536693,
              35.16812732191523
            ],
            [
              -75.82368900851455,
              35.16812732191523
            ]
          ]
        ]
      },
      "bbox": [
        -75.82368900851455,
        35.16812732191523,
        -75.81259583536693,
        35.1772359331652
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:06.692417+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2592_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2592_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2592_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            424998.5,
            0.0,
            -1.0,
            3893000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.79,
                "maximum": 4.309,
                "mean": -0.1,
                "stddev": 0.752
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2691_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.81261797500527,
              35.16558675646329
            ],
            [
              -75.81261797500527,
              35.168270974814604
            ],
            [
              -75.80488397875402,
              35.168270974814604
            ],
            [
              -75.80488397875402,
              35.16558675646329
            ],
            [
              -75.81261797500527,
              35.16558675646329
            ]
          ]
        ]
      },
      "bbox": [
        -75.81261797500527,
        35.16558675646329,
        -75.80488397875402,
        35.168270974814604
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:06.821777+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2691_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2691_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2691_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            292,
            702
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            425998.5,
            0.0,
            -1.0,
            3892000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.086,
                "maximum": -3.038,
                "mean": -4.005,
                "stddev": 0.401
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2694_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.80925163776574,
              35.18625835707817
            ],
            [
              -75.80925163776574,
              35.195341674138255
            ],
            [
              -75.80179275532205,
              35.195341674138255
            ],
            [
              -75.80179275532205,
              35.18625835707817
            ],
            [
              -75.80925163776574,
              35.18625835707817
            ]
          ]
        ]
      },
      "bbox": [
        -75.80925163776574,
        35.18625835707817,
        -75.80179275532205,
        35.195341674138255
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:06.960460+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2694_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2694_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2694_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            671
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            426329.5,
            0.0,
            -1.0,
            3895000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.152,
                "maximum": -0.494,
                "mean": -0.697,
                "stddev": 0.064
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2693_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.81279746065117,
              35.1772177532642
            ],
            [
              -75.81279746065117,
              35.1863254024832
            ],
            [
              -75.80170420763581,
              35.1863254024832
            ],
            [
              -75.80170420763581,
              35.1772177532642
            ],
            [
              -75.81279746065117,
              35.1772177532642
            ]
          ]
        ]
      },
      "bbox": [
        -75.81279746065117,
        35.1772177532642,
        -75.80170420763581,
        35.1863254024832
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:07.043658+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2693_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2693_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2693_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            425998.5,
            0.0,
            -1.0,
            3894000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.597,
                "maximum": 1.08,
                "mean": -0.583,
                "stddev": 0.448
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2692_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.81270769790085,
              35.168201478653074
            ],
            [
              -75.81270769790085,
              35.17730911718427
            ],
            [
              -75.8016156992649,
              35.17730911718427
            ],
            [
              -75.8016156992649,
              35.168201478653074
            ],
            [
              -75.81270769790085,
              35.168201478653074
            ]
          ]
        ]
      },
      "bbox": [
        -75.81270769790085,
        35.168201478653074,
        -75.8016156992649,
        35.17730911718427
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:07.165242+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2692_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2692_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2692_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            425998.5,
            0.0,
            -1.0,
            3893000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.033,
                "maximum": 4.775,
                "mean": -0.141,
                "stddev": 1.659
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2695_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.80452714176295,
              35.19530615662673
            ],
            [
              -75.80452714176295,
              35.196306341659536
            ],
            [
              -75.80189232613452,
              35.196306341659536
            ],
            [
              -75.80189232613452,
              35.19530615662673
            ],
            [
              -75.80452714176295,
              35.19530615662673
            ]
          ]
        ]
      },
      "bbox": [
        -75.80452714176295,
        35.19530615662673,
        -75.80189232613452,
        35.196306341659536
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:07.301849+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2695_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2695_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2695_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            109,
            239
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            426760.5,
            0.0,
            -1.0,
            3895107.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.05,
                "maximum": -0.601,
                "mean": -0.798,
                "stddev": 0.072
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2792_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.80172625890195,
              35.16979839578067
            ],
            [
              -75.80172625890195,
              35.17737228945867
            ],
            [
              -75.7906502742229,
              35.17737228945867
            ],
            [
              -75.7906502742229,
              35.16979839578067
            ],
            [
              -75.80172625890195,
              35.16979839578067
            ]
          ]
        ]
      },
      "bbox": [
        -75.80172625890195,
        35.16979839578067,
        -75.7906502742229,
        35.17737228945867
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:07.437374+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2792_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2792_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2792_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            832,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            426998.5,
            0.0,
            -1.0,
            3892999.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.951,
                "maximum": 8.451,
                "mean": -0.284,
                "stddev": 2.31
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2892_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.79074495764758,
              35.17357627580234
            ],
            [
              -75.79074495764758,
              35.17745249892527
            ],
            [
              -75.77970523392914,
              35.17745249892527
            ],
            [
              -75.77970523392914,
              35.17357627580234
            ],
            [
              -75.79074495764758,
              35.17357627580234
            ]
          ]
        ]
      },
      "bbox": [
        -75.79074495764758,
        35.17357627580234,
        -75.77970523392914,
        35.17745249892527
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:07.524618+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2892_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2892_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2892_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            422,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            427998.5,
            0.0,
            -1.0,
            3893000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.943,
                "maximum": 0.744,
                "mean": -3.087,
                "stddev": 0.879
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2795_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.80197172789464,
              35.19532349613745
            ],
            [
              -75.80197172789464,
              35.20235644905036
            ],
            [
              -75.79089752921097,
              35.20235644905036
            ],
            [
              -75.79089752921097,
              35.19532349613745
            ],
            [
              -75.80197172789464,
              35.19532349613745
            ]
          ]
        ]
      },
      "bbox": [
        -75.80197172789464,
        35.19532349613745,
        -75.79089752921097,
        35.20235644905036
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:07.591439+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2795_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2795_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2795_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            772,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            426998.5,
            0.0,
            -1.0,
            3895770.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.813,
                "maximum": 0.094,
                "mean": -0.474,
                "stddev": 0.228
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2893_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.79083229525999,
              35.177363129758916
            ],
            [
              -75.79083229525999,
              35.18646883185964
            ],
            [
              -75.77974139398206,
              35.18646883185964
            ],
            [
              -75.77974139398206,
              35.177363129758916
            ],
            [
              -75.79083229525999,
              35.177363129758916
            ]
          ]
        ]
      },
      "bbox": [
        -75.79083229525999,
        35.177363129758916,
        -75.77974139398206,
        35.18646883185964
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:07.692812+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2893_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2893_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2893_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            427998.5,
            0.0,
            -1.0,
            3894000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.834,
                "maximum": 13.266,
                "mean": 0.689,
                "stddev": 1.677
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2794_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.80190348714633,
              35.1863072245034
            ],
            [
              -75.80190348714633,
              35.19541391070008
            ],
            [
              -75.79081015530713,
              35.19541391070008
            ],
            [
              -75.79081015530713,
              35.1863072245034
            ],
            [
              -75.80190348714633,
              35.1863072245034
            ]
          ]
        ]
      },
      "bbox": [
        -75.80190348714633,
        35.1863072245034,
        -75.79081015530713,
        35.19541391070008
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:07.824047+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2794_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2794_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2794_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            426998.5,
            0.0,
            -1.0,
            3895000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.088,
                "maximum": 0.105,
                "mean": -0.552,
                "stddev": 0.272
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2793_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.80181489762248,
              35.17729093922549
            ],
            [
              -75.80181489762248,
              35.18639761505676
            ],
            [
              -75.79072282019747,
              35.18639761505676
            ],
            [
              -75.79072282019747,
              35.17729093922549
            ],
            [
              -75.80181489762248,
              35.17729093922549
            ]
          ]
        ]
      },
      "bbox": [
        -75.80181489762248,
        35.17729093922549,
        -75.79072282019747,
        35.18639761505676
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:07.933056+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2793_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2793_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2793_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            426998.5,
            0.0,
            -1.0,
            3894000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.586,
                "maximum": 9.448,
                "mean": -0.159,
                "stddev": 0.769
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2894_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.7909196716677,
              35.186379439020534
            ],
            [
              -75.7909196716677,
              35.19548515116047
            ],
            [
              -75.77982751649802,
              35.19548515116047
            ],
            [
              -75.77982751649802,
              35.186379439020534
            ],
            [
              -75.7909196716677,
              35.186379439020534
            ]
          ]
        ]
      },
      "bbox": [
        -75.7909196716677,
        35.186379439020534,
        -75.77982751649802,
        35.19548515116047
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:07.996604+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2894_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2894_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2894_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            427998.5,
            0.0,
            -1.0,
            3895000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.266,
                "maximum": 8.885,
                "mean": -0.54,
                "stddev": 1.246
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2896_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.78331687365264,
              35.20446214963174
            ],
            [
              -75.78331687365264,
              35.206719465930064
            ],
            [
              -75.77999987631377,
              35.206719465930064
            ],
            [
              -75.77999987631377,
              35.20446214963174
            ],
            [
              -75.78331687365264,
              35.20446214963174
            ]
          ]
        ]
      },
      "bbox": [
        -75.78331687365264,
        35.20446214963174,
        -75.77999987631377,
        35.206719465930064
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:08.053903+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2896_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2896_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2896_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            248,
            300
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            428700.5,
            0.0,
            -1.0,
            3896246.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.218,
                "maximum": -0.181,
                "mean": -1.011,
                "stddev": 0.552
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2992_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.77976352908456,
              35.17264664653407
            ],
            [
              -75.77976352908456,
              35.177522696624415
            ],
            [
              -75.76871485769371,
              35.177522696624415
            ],
            [
              -75.76871485769371,
              35.17264664653407
            ],
            [
              -75.77976352908456,
              35.17264664653407
            ]
          ]
        ]
      },
      "bbox": [
        -75.77976352908456,
        35.17264664653407,
        -75.76871485769371,
        35.177522696624415
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:08.145224+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2992_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2992_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2992_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            533,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            428998.5,
            0.0,
            -1.0,
            3893000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.678,
                "maximum": -1.767,
                "mean": -3.549,
                "stddev": 0.78
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2895_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.7910070868878,
              35.19539573464348
            ],
            [
              -75.7910070868878,
              35.204501456826186
            ],
            [
              -75.77991367726963,
              35.204501456826186
            ],
            [
              -75.77991367726963,
              35.19539573464348
            ],
            [
              -75.7910070868878,
              35.19539573464348
            ]
          ]
        ]
      },
      "bbox": [
        -75.7910070868878,
        35.19539573464348,
        -75.77991367726963,
        35.204501456826186
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:08.274808+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2895_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2895_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2895_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            427998.5,
            0.0,
            -1.0,
            3896000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.778,
                "maximum": 0.019,
                "mean": -1.355,
                "stddev": 0.818
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2993_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.77984965410221,
              35.17743432485299
            ],
            [
              -75.77984965410221,
              35.18653905288049
            ],
            [
              -75.7687599295279,
              35.18653905288049
            ],
            [
              -75.7687599295279,
              35.17743432485299
            ],
            [
              -75.77984965410221,
              35.17743432485299
            ]
          ]
        ]
      },
      "bbox": [
        -75.77984965410221,
        35.17743432485299,
        -75.7687599295279,
        35.18653905288049
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:08.425586+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2993_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2993_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2993_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            428998.5,
            0.0,
            -1.0,
            3894000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.839,
                "maximum": 7.041,
                "mean": -1.179,
                "stddev": 1.554
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2996_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.78008022661471,
              35.20448328269475
            ],
            [
              -75.78008022661471,
              35.210657738872925
            ],
            [
              -75.76901477241198,
              35.210657738872925
            ],
            [
              -75.76901477241198,
              35.20448328269475
            ],
            [
              -75.78008022661471,
              35.20448328269475
            ]
          ]
        ]
      },
      "bbox": [
        -75.78008022661471,
        35.20448328269475,
        -75.76901477241198,
        35.210657738872925
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:08.511887+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2996_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2996_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2996_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            677,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            428998.5,
            0.0,
            -1.0,
            3896675.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.119,
                "maximum": 0.077,
                "mean": -0.636,
                "stddev": 0.671
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2994_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.77993581737663,
              35.186450657767644
            ],
            [
              -75.77993581737663,
              35.1955553955081
            ],
            [
              -75.76884483943329,
              35.1955553955081
            ],
            [
              -75.76884483943329,
              35.186450657767644
            ],
            [
              -75.77993581737663,
              35.186450657767644
            ]
          ]
        ]
      },
      "bbox": [
        -75.77993581737663,
        35.186450657767644,
        -75.76884483943329,
        35.1955553955081
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:08.608103+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2994_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2994_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2994_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            428998.5,
            0.0,
            -1.0,
            3895000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.423,
                "maximum": 6.315,
                "mean": -1.476,
                "stddev": 1.47
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD2995_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.78002201892468,
              35.19546697704877
            ],
            [
              -75.78002201892468,
              35.20457172450564
            ],
            [
              -75.76892978705575,
              35.20457172450564
            ],
            [
              -75.76892978705575,
              35.19546697704877
            ],
            [
              -75.78002201892468,
              35.19546697704877
            ]
          ]
        ]
      },
      "bbox": [
        -75.78002201892468,
        35.19546697704877,
        -75.76892978705575,
        35.20457172450564
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:08.666203+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD2995_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD2995_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD2995_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            428998.5,
            0.0,
            -1.0,
            3896000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.786,
                "maximum": 0.31,
                "mean": -1.463,
                "stddev": 0.805
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3092_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.76878206228164,
              35.17381683086892
            ],
            [
              -75.76878206228164,
              35.17759189886108
            ],
            [
              -75.75774420589536,
              35.17759189886108
            ],
            [
              -75.75774420589536,
              35.17381683086892
            ],
            [
              -75.76878206228164,
              35.17381683086892
            ]
          ]
        ]
      },
      "bbox": [
        -75.76878206228164,
        35.17381683086892,
        -75.75774420589536,
        35.17759189886108
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:08.735163+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3092_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3092_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3092_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            411,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            429998.5,
            0.0,
            -1.0,
            3893000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.817,
                "maximum": -1.098,
                "mean": -2.932,
                "stddev": 0.634
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3093_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.76886697468767,
              35.17750452449642
            ],
            [
              -75.76886697468767,
              35.18660827810818
            ],
            [
              -75.75777842737328,
              35.18660827810818
            ],
            [
              -75.75777842737328,
              35.17750452449642
            ],
            [
              -75.76886697468767,
              35.17750452449642
            ]
          ]
        ]
      },
      "bbox": [
        -75.76886697468767,
        35.17750452449642,
        -75.75777842737328,
        35.18660827810818
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:08.847891+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3093_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3093_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3093_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            429998.5,
            0.0,
            -1.0,
            3894000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.288,
                "maximum": -0.475,
                "mean": -2.041,
                "stddev": 0.581
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3097_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.76134389505866,
              35.213619101486145
            ],
            [
              -75.76134389505866,
              35.214865522408665
            ],
            [
              -75.75811343962282,
              35.214865522408665
            ],
            [
              -75.75811343962282,
              35.213619101486145
            ],
            [
              -75.76134389505866,
              35.213619101486145
            ]
          ]
        ]
      },
      "bbox": [
        -75.76134389505866,
        35.213619101486145,
        -75.75811343962282,
        35.214865522408665
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:08.911306+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3097_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3097_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3097_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            136,
            293
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            430707.5,
            0.0,
            -1.0,
            3897134.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.557,
                "maximum": -0.062,
                "mean": -0.334,
                "stddev": 0.084
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3095_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.76903691267103,
              35.195537223341965
            ],
            [
              -75.76903691267103,
              35.20464099573034
            ],
            [
              -75.75794585910812,
              35.20464099573034
            ],
            [
              -75.75794585910812,
              35.195537223341965
            ],
            [
              -75.76903691267103,
              35.195537223341965
            ]
          ]
        ]
      },
      "bbox": [
        -75.76903691267103,
        35.195537223341965,
        -75.75794585910812,
        35.20464099573034
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:09.008944+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3095_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3095_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3095_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            429998.5,
            0.0,
            -1.0,
            3896000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.749,
                "maximum": 0.601,
                "mean": -1.764,
                "stddev": 0.927
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3094_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.76895192481193,
              35.18652088073343
            ],
            [
              -75.76895192481193,
              35.19562464373178
            ],
            [
              -75.75786212465144,
              35.19562464373178
            ],
            [
              -75.75786212465144,
              35.18652088073343
            ],
            [
              -75.76895192481193,
              35.18652088073343
            ]
          ]
        ]
      },
      "bbox": [
        -75.76895192481193,
        35.18652088073343,
        -75.75786212465144,
        35.19562464373178
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:09.089196+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3094_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3094_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3094_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            429998.5,
            0.0,
            -1.0,
            3895000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.068,
                "maximum": -0.072,
                "mean": -1.915,
                "stddev": 0.869
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3096_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.76912193828166,
              35.204553552320434
            ],
            [
              -75.76912193828166,
              35.21365733410224
            ],
            [
              -75.75802963075978,
              35.21365733410224
            ],
            [
              -75.75802963075978,
              35.204553552320434
            ],
            [
              -75.76912193828166,
              35.204553552320434
            ]
          ]
        ]
      },
      "bbox": [
        -75.76912193828166,
        35.204553552320434,
        -75.75802963075978,
        35.21365733410224
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:09.300703+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3096_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3096_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3096_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            429998.5,
            0.0,
            -1.0,
            3897000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.139,
                "maximum": 0.009,
                "mean": -1.104,
                "stddev": 0.837
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3192_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.75780055777717,
              35.173849960081824
            ],
            [
              -75.75780055777717,
              35.17763777547972
            ],
            [
              -75.75037559837426,
              35.17763777547972
            ],
            [
              -75.75037559837426,
              35.173849960081824
            ],
            [
              -75.75780055777717,
              35.173849960081824
            ]
          ]
        ]
      },
      "bbox": [
        -75.75780055777717,
        35.173849960081824,
        -75.75037559837426,
        35.17763777547972
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:09.451520+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3192_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3192_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3192_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            415,
            673
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            430998.5,
            0.0,
            -1.0,
            3893000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.629,
                "maximum": -2.342,
                "mean": -3.542,
                "stddev": 0.364
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3193_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.75788425755493,
              35.177573728678034
            ],
            [
              -75.75788425755493,
              35.18667650753168
            ],
            [
              -75.74679688805652,
              35.18667650753168
            ],
            [
              -75.74679688805652,
              35.177573728678034
            ],
            [
              -75.75788425755493,
              35.177573728678034
            ]
          ]
        ]
      },
      "bbox": [
        -75.75788425755493,
        35.177573728678034,
        -75.74679688805652,
        35.18667650753168
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:09.511548+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3193_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3193_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3193_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            430998.5,
            0.0,
            -1.0,
            3894000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.261,
                "maximum": -1.817,
                "mean": -3.152,
                "stddev": 0.554
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3195_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.75805176866584,
              35.19560647351192
            ],
            [
              -75.75805176866584,
              35.20470927048929
            ],
            [
              -75.74696189396555,
              35.20470927048929
            ],
            [
              -75.74696189396555,
              35.19560647351192
            ],
            [
              -75.75805176866584,
              35.19560647351192
            ]
          ]
        ]
      },
      "bbox": [
        -75.75805176866584,
        35.19560647351192,
        -75.74696189396555,
        35.20470927048929
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:09.598687+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3195_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3195_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3195_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            430998.5,
            0.0,
            -1.0,
            3896000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.207,
                "maximum": 0.193,
                "mean": -1.283,
                "stddev": 0.504
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3196_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.75813558003183,
              35.20462282549205
            ],
            [
              -75.75813558003183,
              35.213725631536285
            ],
            [
              -75.7470444518962,
              35.213725631536285
            ],
            [
              -75.7470444518962,
              35.20462282549205
            ],
            [
              -75.75813558003183,
              35.20462282549205
            ]
          ]
        ]
      },
      "bbox": [
        -75.75813558003183,
        35.20462282549205,
        -75.7470444518962,
        35.213725631536285
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:09.711033+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3196_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3196_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3196_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            430998.5,
            0.0,
            -1.0,
            3897000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.982,
                "maximum": -0.031,
                "mean": -0.773,
                "stddev": 0.513
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3194_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.75796799451236,
              35.186590107906724
            ],
            [
              -75.75796799451236,
              35.19569289582056
            ],
            [
              -75.74687937269104,
              35.19569289582056
            ],
            [
              -75.74687937269104,
              35.186590107906724
            ],
            [
              -75.75796799451236,
              35.186590107906724
            ]
          ]
        ]
      },
      "bbox": [
        -75.75796799451236,
        35.186590107906724,
        -75.74687937269104,
        35.19569289582056
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:09.850564+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3194_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3194_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3194_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            430998.5,
            0.0,
            -1.0,
            3895000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.237,
                "maximum": 0.318,
                "mean": -1.812,
                "stddev": 0.514
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3197_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.7581839561268,
              35.213639163845535
            ],
            [
              -75.7581839561268,
              35.218928065662396
            ],
            [
              -75.7471270464992,
              35.218928065662396
            ],
            [
              -75.7471270464992,
              35.213639163845535
            ],
            [
              -75.7581839561268,
              35.213639163845535
            ]
          ]
        ]
      },
      "bbox": [
        -75.7581839561268,
        35.213639163845535,
        -75.7471270464992,
        35.218928065662396
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:09.971057+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3197_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3197_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3197_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            579,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            430998.5,
            0.0,
            -1.0,
            3897577.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.362,
                "maximum": 0.063,
                "mean": -0.574,
                "stddev": 0.43
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3293_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.74690150324254,
              35.1801755476935
            ],
            [
              -75.74690150324254,
              35.18674087058455
            ],
            [
              -75.73631036905694,
              35.18674087058455
            ],
            [
              -75.73631036905694,
              35.1801755476935
            ],
            [
              -75.74690150324254,
              35.1801755476935
            ]
          ]
        ]
      },
      "bbox": [
        -75.74690150324254,
        35.1801755476935,
        -75.73631036905694,
        35.18674087058455
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:10.028596+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3293_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3293_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3293_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            721,
            959
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            431998.5,
            0.0,
            -1.0,
            3894000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.729,
                "maximum": -0.805,
                "mean": -2.982,
                "stddev": 0.861
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3296_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.74714918455305,
              35.20469110219858
            ],
            [
              -75.74714918455305,
              35.21379293216279
            ],
            [
              -75.73605923636028,
              35.21379293216279
            ],
            [
              -75.73605923636028,
              35.20469110219858
            ],
            [
              -75.74714918455305,
              35.20469110219858
            ]
          ]
        ]
      },
      "bbox": [
        -75.74714918455305,
        35.20469110219858,
        -75.73605923636028,
        35.21379293216279
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:10.148239+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3296_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3296_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3296_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            431998.5,
            0.0,
            -1.0,
            3897000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.387,
                "maximum": -0.037,
                "mean": -1.161,
                "stddev": 0.674
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3295_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.74706658744817,
              35.19567472754763
            ],
            [
              -75.74706658744817,
              35.2047765487716
            ],
            [
              -75.73597789216682,
              35.2047765487716
            ],
            [
              -75.73597789216682,
              35.19567472754763
            ],
            [
              -75.74706658744817,
              35.19567472754763
            ]
          ]
        ]
      },
      "bbox": [
        -75.74706658744817,
        35.19567472754763,
        -75.73597789216682,
        35.2047765487716
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:10.240329+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3295_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3295_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3295_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            431998.5,
            0.0,
            -1.0,
            3896000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.066,
                "maximum": 0.676,
                "mean": -1.61,
                "stddev": 0.829
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3294_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.74698402701672,
              35.186658339276526
            ],
            [
              -75.74698402701672,
              35.19576015176354
            ],
            [
              -75.7358965840907,
              35.19576015176354
            ],
            [
              -75.7358965840907,
              35.186658339276526
            ],
            [
              -75.74698402701672,
              35.186658339276526
            ]
          ]
        ]
      },
      "bbox": [
        -75.74698402701672,
        35.186658339276526,
        -75.7358965840907,
        35.19576015176354
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:10.325218+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3294_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3294_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3294_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            431998.5,
            0.0,
            -1.0,
            3895000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.729,
                "maximum": 0.359,
                "mean": -2.026,
                "stddev": 0.763
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3298_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.73766639396447,
              35.22278250666264
            ],
            [
              -75.73766639396447,
              35.22334126732668
            ],
            [
              -75.73622203316303,
              35.22334126732668
            ],
            [
              -75.73622203316303,
              35.22278250666264
            ],
            [
              -75.73766639396447,
              35.22278250666264
            ]
          ]
        ]
      },
      "bbox": [
        -75.73766639396447,
        35.22278250666264,
        -75.73622203316303,
        35.22334126732668
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:10.382067+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3298_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3298_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3298_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            61,
            131
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            432869.5,
            0.0,
            -1.0,
            3898059.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.53,
                "maximum": -0.458,
                "mean": -0.828,
                "stddev": 0.19
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3297_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.74723181834761,
              35.21370746322781
            ],
            [
              -75.74723181834761,
              35.22280930193556
            ],
            [
              -75.73614061668702,
              35.22280930193556
            ],
            [
              -75.73614061668702,
              35.21370746322781
            ],
            [
              -75.74723181834761,
              35.21370746322781
            ]
          ]
        ]
      },
      "bbox": [
        -75.74723181834761,
        35.21370746322781,
        -75.73614061668702,
        35.22280930193556
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:10.516653+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3297_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3297_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3297_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            431998.5,
            0.0,
            -1.0,
            3898000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.255,
                "maximum": -0.062,
                "mean": -0.851,
                "stddev": 0.599
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3394_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.73600002286383,
              35.18702311659922
            ],
            [
              -75.73600002286383,
              35.19582641155005
            ],
            [
              -75.72491640195187,
              35.19582641155005
            ],
            [
              -75.72491640195187,
              35.18702311659922
            ],
            [
              -75.73600002286383,
              35.18702311659922
            ]
          ]
        ]
      },
      "bbox": [
        -75.73600002286383,
        35.18702311659922,
        -75.72491640195187,
        35.19582641155005
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:10.652229+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3394_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3394_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3394_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            969,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            432998.5,
            0.0,
            -1.0,
            3895000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.142,
                "maximum": -0.302,
                "mean": -2.482,
                "stddev": 0.983
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3397_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.7362441713626,
              35.21377476580325
            ],
            [
              -75.7362441713626,
              35.2228756277619
            ],
            [
              -75.7251541507256,
              35.2228756277619
            ],
            [
              -75.7251541507256,
              35.21377476580325
            ],
            [
              -75.7362441713626,
              35.21377476580325
            ]
          ]
        ]
      },
      "bbox": [
        -75.7362441713626,
        35.21377476580325,
        -75.7251541507256,
        35.2228756277619
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:10.760190+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3397_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3397_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3397_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            432998.5,
            0.0,
            -1.0,
            3898000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.205,
                "maximum": 0.05,
                "mean": -0.925,
                "stddev": 0.466
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3395_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.73608136955703,
              35.19574198543824
            ],
            [
              -75.73608136955703,
              35.2048428305666
            ],
            [
              -75.72499385425076,
              35.2048428305666
            ],
            [
              -75.72499385425076,
              35.19574198543824
            ],
            [
              -75.73608136955703,
              35.19574198543824
            ]
          ]
        ]
      },
      "bbox": [
        -75.73608136955703,
        35.19574198543824,
        -75.72499385425076,
        35.2048428305666
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:10.853629+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3395_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3395_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3395_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            432998.5,
            0.0,
            -1.0,
            3896000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.254,
                "maximum": 3.429,
                "mean": -0.544,
                "stddev": 1.476
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3396_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.73616275238463,
              35.20475838242918
            ],
            [
              -75.73616275238463,
              35.21385923597108
            ],
            [
              -75.72507398469106,
              35.21385923597108
            ],
            [
              -75.72507398469106,
              35.20475838242918
            ],
            [
              -75.73616275238463,
              35.20475838242918
            ]
          ]
        ]
      },
      "bbox": [
        -75.73616275238463,
        35.20475838242918,
        -75.72507398469106,
        35.21385923597108
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:10.957231+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3396_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3396_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3396_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            432998.5,
            0.0,
            -1.0,
            3897000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.057,
                "maximum": 0.056,
                "mean": -1.383,
                "stddev": 0.88
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3398_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.73628693080286,
              35.22279113555889
            ],
            [
              -75.73628693080286,
              35.227609228001846
            ],
            [
              -75.7252343523701,
              35.227609228001846
            ],
            [
              -75.7252343523701,
              35.22279113555889
            ],
            [
              -75.73628693080286,
              35.22279113555889
            ]
          ]
        ]
      },
      "bbox": [
        -75.73628693080286,
        35.22279113555889,
        -75.7252343523701,
        35.227609228001846
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:11.112191+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3398_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3398_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3398_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            527,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            432998.5,
            0.0,
            -1.0,
            3898525.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.545,
                "maximum": 0.019,
                "mean": -0.906,
                "stddev": 0.301
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3494_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.7250159825925,
              35.192715612321116
            ],
            [
              -75.7250159825925,
              35.195856491235624
            ],
            [
              -75.71992488339046,
              35.195856491235624
            ],
            [
              -75.71992488339046,
              35.192715612321116
            ],
            [
              -75.7250159825925,
              35.192715612321116
            ]
          ]
        ]
      },
      "bbox": [
        -75.7250159825925,
        35.192715612321116,
        -75.71992488339046,
        35.195856491235624
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:11.303019+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3494_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3494_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3494_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            345,
            461
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            433998.5,
            0.0,
            -1.0,
            3895000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.839,
                "maximum": -3.171,
                "mean": -4.704,
                "stddev": 0.861
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3495_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.7250961155315,
              35.19580824717307
            ],
            [
              -75.7250961155315,
              35.20490811586376
            ],
            [
              -75.71400978075616,
              35.20490811586376
            ],
            [
              -75.71400978075616,
              35.19580824717307
            ],
            [
              -75.7250961155315,
              35.19580824717307
            ]
          ]
        ]
      },
      "bbox": [
        -75.7250961155315,
        35.19580824717307,
        -75.71400978075616,
        35.20490811586376
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:11.389639+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3495_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3495_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3495_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            433998.5,
            0.0,
            -1.0,
            3896000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.237,
                "maximum": 6.324,
                "mean": -0.003,
                "stddev": 1.513
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3498_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.72533159157065,
              35.222857463335515
            ],
            [
              -75.72533159157065,
              35.23138030711206
            ],
            [
              -75.7142466359515,
              35.23138030711206
            ],
            [
              -75.7142466359515,
              35.222857463335515
            ],
            [
              -75.72533159157065,
              35.222857463335515
            ]
          ]
        ]
      },
      "bbox": [
        -75.72533159157065,
        35.222857463335515,
        -75.7142466359515,
        35.23138030711206
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:11.512321+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3498_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3498_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3498_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            938,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            433998.5,
            0.0,
            -1.0,
            3898936.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.583,
                "maximum": -0.478,
                "mean": -1.641,
                "stddev": 0.312
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3497_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.72525648821127,
              35.213841071561156
            ],
            [
              -75.72525648821127,
              35.222940956428495
            ],
            [
              -75.71416764915425,
              35.222940956428495
            ],
            [
              -75.71416764915425,
              35.213841071561156
            ],
            [
              -75.72525648821127,
              35.213841071561156
            ]
          ]
        ]
      },
      "bbox": [
        -75.72525648821127,
        35.213841071561156,
        -75.71416764915425,
        35.222940956428495
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:11.591691+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3497_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3497_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3497_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            433998.5,
            0.0,
            -1.0,
            3898000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.868,
                "maximum": 4.932,
                "mean": -1.022,
                "stddev": 1.155
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3496_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.72517628406585,
              35.20482466617315
            ],
            [
              -75.72517628406585,
              35.21392454295059
            ],
            [
              -75.71408869742763,
              35.21392454295059
            ],
            [
              -75.71408869742763,
              35.20482466617315
            ],
            [
              -75.72517628406585,
              35.20482466617315
            ]
          ]
        ]
      },
      "bbox": [
        -75.72517628406585,
        35.20482466617315,
        -75.71408869742763,
        35.21392454295059
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:11.690213+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3496_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3496_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3496_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            433998.5,
            0.0,
            -1.0,
            3897000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.983,
                "maximum": 0.999,
                "mean": -0.934,
                "stddev": 0.645
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3595_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.71411082591064,
              35.19712679881005
            ],
            [
              -75.71411082591064,
              35.20497240465267
            ],
            [
              -75.70303647085838,
              35.20497240465267
            ],
            [
              -75.70303647085838,
              35.19712679881005
            ],
            [
              -75.71411082591064,
              35.19712679881005
            ]
          ]
        ]
      },
      "bbox": [
        -75.71411082591064,
        35.19712679881005,
        -75.70303647085838,
        35.20497240465267
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:11.765624+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3595_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3595_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3595_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            863,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            434998.5,
            0.0,
            -1.0,
            3896000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.214,
                "maximum": 7.538,
                "mean": 0.527,
                "stddev": 2.605
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3599_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.71288308315638,
              35.23194787522627
            ],
            [
              -75.71288308315638,
              35.23288382555278
            ],
            [
              -75.70856744351897,
              35.23288382555278
            ],
            [
              -75.70856744351897,
              35.23194787522627
            ],
            [
              -75.71288308315638,
              35.23194787522627
            ]
          ]
        ]
      },
      "bbox": [
        -75.71288308315638,
        35.23194787522627,
        -75.70856744351897,
        35.23288382555278
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:11.823061+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3599_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3599_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3599_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            101,
            392
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            435132.5,
            0.0,
            -1.0,
            3899099.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.338,
                "maximum": -1.904,
                "mean": -2.164,
                "stddev": 0.063
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3598_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.7143477938175,
              35.22292279395304
            ],
            [
              -75.7143477938175,
              35.23202170915303
            ],
            [
              -75.70325888444675,
              35.23202170915303
            ],
            [
              -75.70325888444675,
              35.22292279395304
            ],
            [
              -75.7143477938175,
              35.22292279395304
            ]
          ]
        ]
      },
      "bbox": [
        -75.7143477938175,
        35.22292279395304,
        -75.70325888444675,
        35.23202170915303
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:11.937102+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3598_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3598_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3598_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            434998.5,
            0.0,
            -1.0,
            3899000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.696,
                "maximum": -0.635,
                "mean": -2.084,
                "stddev": 0.288
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3597_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.71426876943313,
              35.21390638049096
            ],
            [
              -75.71426876943313,
              35.22300528792492
            ],
            [
              -75.70318111251225,
              35.22300528792492
            ],
            [
              -75.70318111251225,
              35.21390638049096
            ],
            [
              -75.71426876943313,
              35.21390638049096
            ]
          ]
        ]
      },
      "bbox": [
        -75.71426876943313,
        35.21390638049096,
        -75.70318111251225,
        35.22300528792492
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:12.008901+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3597_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3597_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3597_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            434998.5,
            0.0,
            -1.0,
            3898000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.04,
                "maximum": -0.187,
                "mean": -1.553,
                "stddev": 0.487
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3596_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.71418978013601,
              35.20488995341994
            ],
            [
              -75.71418978013601,
              35.213988853090946
            ],
            [
              -75.70310337510907,
              35.213988853090946
            ],
            [
              -75.70310337510907,
              35.20488995341994
            ],
            [
              -75.71418978013601,
              35.20488995341994
            ]
          ]
        ]
      },
      "bbox": [
        -75.71418978013601,
        35.20488995341994,
        -75.70310337510907,
        35.213988853090946
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:12.106159+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3596_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3596_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3596_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            434998.5,
            0.0,
            -1.0,
            3897000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.009,
                "maximum": 7.28,
                "mean": -0.301,
                "stddev": 1.169
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3695_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.70312542351091,
              35.20143782558708
            ],
            [
              -75.70312542351091,
              35.20498044826717
            ],
            [
              -75.70012912149275,
              35.20498044826717
            ],
            [
              -75.70012912149275,
              35.20143782558708
            ],
            [
              -75.70312542351091,
              35.20143782558708
            ]
          ]
        ]
      },
      "bbox": [
        -75.70312542351091,
        35.20143782558708,
        -75.70012912149275,
        35.20498044826717
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:12.175344+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3695_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3695_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3695_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            391,
            270
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            435998.5,
            0.0,
            -1.0,
            3895999.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.777,
                "maximum": 2.449,
                "mean": -2.237,
                "stddev": 2.284
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3696_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.70320324113445,
              35.2049542441592
            ],
            [
              -75.70320324113445,
              35.21405216638192
            ],
            [
              -75.69211801827443,
              35.21405216638192
            ],
            [
              -75.69211801827443,
              35.2049542441592
            ],
            [
              -75.70320324113445,
              35.2049542441592
            ]
          ]
        ]
      },
      "bbox": [
        -75.70320324113445,
        35.2049542441592,
        -75.69211801827443,
        35.21405216638192
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:12.264504+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3696_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3696_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3696_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            435998.5,
            0.0,
            -1.0,
            3897000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.66,
                "maximum": 7.849,
                "mean": 1.189,
                "stddev": 1.248
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3699_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.70157389931174,
              35.2320140712846
            ],
            [
              -75.70157389931174,
              35.23536704610375
            ],
            [
              -75.69234768945896,
              35.23536704610375
            ],
            [
              -75.69234768945896,
              35.2320140712846
            ],
            [
              -75.70157389931174,
              35.2320140712846
            ]
          ]
        ]
      },
      "bbox": [
        -75.70157389931174,
        35.2320140712846,
        -75.69234768945896,
        35.23536704610375
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:12.351030+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3699_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3699_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3699_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            366,
            837
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            436163.5,
            0.0,
            -1.0,
            3899364.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.518,
                "maximum": -1.802,
                "mean": -2.179,
                "stddev": 0.104
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3796_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.69221666760045,
              35.207415920580395
            ],
            [
              -75.69221666760045,
              35.21411448281345
            ],
            [
              -75.68115265631504,
              35.21411448281345
            ],
            [
              -75.68115265631504,
              35.207415920580395
            ],
            [
              -75.69221666760045,
              35.207415920580395
            ]
          ]
        ]
      },
      "bbox": [
        -75.69221666760045,
        35.207415920580395,
        -75.68115265631504,
        35.21411448281345
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:12.447868+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3796_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3796_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3796_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            736,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            436998.5,
            0.0,
            -1.0,
            3897000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.558,
                "maximum": 8.163,
                "mean": 0.992,
                "stddev": 1.812
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3698_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.70335882454877,
              35.222987127401105
            ],
            [
              -75.70335882454877,
              35.23208506449872
            ],
            [
              -75.69227109839547,
              35.23208506449872
            ],
            [
              -75.69227109839547,
              35.222987127401105
            ],
            [
              -75.70335882454877,
              35.222987127401105
            ]
          ]
        ]
      },
      "bbox": [
        -75.70335882454877,
        35.222987127401105,
        -75.69227109839547,
        35.23208506449872
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:12.536596+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3698_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3698_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3698_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            435998.5,
            0.0,
            -1.0,
            3899000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.986,
                "maximum": -0.143,
                "mean": -1.939,
                "stddev": 0.339
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3697_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.70328101556777,
              35.2139706925823
            ],
            [
              -75.70328101556777,
              35.223068622240966
            ],
            [
              -75.69219454133895,
              35.223068622240966
            ],
            [
              -75.69219454133895,
              35.2139706925823
            ],
            [
              -75.70328101556777,
              35.2139706925823
            ]
          ]
        ]
      },
      "bbox": [
        -75.70328101556777,
        35.2139706925823,
        -75.69219454133895,
        35.223068622240966
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:12.594844+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3697_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3697_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3697_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            435998.5,
            0.0,
            -1.0,
            3898000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.387,
                "maximum": 2.853,
                "mean": -0.248,
                "stddev": 1.193
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3797_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.69229322715472,
              35.214034007824935
            ],
            [
              -75.69229322715472,
              35.223130959366564
            ],
            [
              -75.68120793617369,
              35.223130959366564
            ],
            [
              -75.68120793617369,
              35.214034007824935
            ],
            [
              -75.69229322715472,
              35.214034007824935
            ]
          ]
        ]
      },
      "bbox": [
        -75.69229322715472,
        35.214034007824935,
        -75.68120793617369,
        35.223130959366564
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:12.675835+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3797_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3797_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3797_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            436998.5,
            0.0,
            -1.0,
            3898000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.775,
                "maximum": 2.347,
                "mean": 0.701,
                "stddev": 0.393
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3798_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.6923698207171,
              35.223050463669466
            ],
            [
              -75.6923698207171,
              35.232147422322896
            ],
            [
              -75.68128327833718,
              35.232147422322896
            ],
            [
              -75.68128327833718,
              35.223050463669466
            ],
            [
              -75.6923698207171,
              35.223050463669466
            ]
          ]
        ]
      },
      "bbox": [
        -75.6923698207171,
        35.223050463669466,
        -75.68128327833718,
        35.232147422322896
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:12.843573+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3798_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3798_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3798_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            436998.5,
            0.0,
            -1.0,
            3899000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.45,
                "maximum": 3.153,
                "mean": -0.28,
                "stddev": 1.054
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3896_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.68123006007337,
              35.208001180366644
            ],
            [
              -75.68123006007337,
              35.21416331309824
            ],
            [
              -75.67242330149307,
              35.21416331309824
            ],
            [
              -75.67242330149307,
              35.208001180366644
            ],
            [
              -75.68123006007337,
              35.208001180366644
            ]
          ]
        ]
      },
      "bbox": [
        -75.68123006007337,
        35.208001180366644,
        -75.67242330149307,
        35.21416331309824
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:12.911911+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3896_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3896_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3896_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            678,
            797
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            437998.5,
            0.0,
            -1.0,
            3897000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.748,
                "maximum": 7.846,
                "mean": 1.325,
                "stddev": 2.09
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3799_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.6924215406045,
              35.23206690591271
            ],
            [
              -75.6924215406045,
              35.23823352713119
            ],
            [
              -75.68135865396808,
              35.23823352713119
            ],
            [
              -75.68135865396808,
              35.23206690591271
            ],
            [
              -75.6924215406045,
              35.23206690591271
            ]
          ]
        ]
      },
      "bbox": [
        -75.6924215406045,
        35.23206690591271,
        -75.68135865396808,
        35.23823352713119
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:13.137795+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3799_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3799_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3799_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            677,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            436998.5,
            0.0,
            -1.0,
            3899675.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.873,
                "maximum": 1.042,
                "mean": -1.938,
                "stddev": 0.464
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3897_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.68130540473359,
              35.21409632620881
            ],
            [
              -75.68130540473359,
              35.223192299291796
            ],
            [
              -75.6702212975558,
              35.223192299291796
            ],
            [
              -75.6702212975558,
              35.21409632620881
            ],
            [
              -75.68130540473359,
              35.21409632620881
            ]
          ]
        ]
      },
      "bbox": [
        -75.68130540473359,
        35.21409632620881,
        -75.6702212975558,
        35.223192299291796
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:13.227300+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3897_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3897_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3897_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            437998.5,
            0.0,
            -1.0,
            3898000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.968,
                "maximum": 7.508,
                "mean": 0.456,
                "stddev": 1.041
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3997_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.67031754884394,
              35.21501421551404
            ],
            [
              -75.67031754884394,
              35.2232526420069
            ],
            [
              -75.65924155130442,
              35.2232526420069
            ],
            [
              -75.65924155130442,
              35.21501421551404
            ],
            [
              -75.67031754884394,
              35.21501421551404
            ]
          ]
        ]
      },
      "bbox": [
        -75.67031754884394,
        35.21501421551404,
        -75.65924155130442,
        35.2232526420069
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:13.342876+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3997_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3997_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3997_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            907,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            438998.5,
            0.0,
            -1.0,
            3898000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.149,
                "maximum": 6.576,
                "mean": -0.011,
                "stddev": 1.07
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3899_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.68145506305272,
              35.23212926569051
            ],
            [
              -75.68145506305272,
              35.24109000539999
            ],
            [
              -75.67036958499497,
              35.24109000539999
            ],
            [
              -75.67036958499497,
              35.23212926569051
            ],
            [
              -75.68145506305272,
              35.23212926569051
            ]
          ]
        ]
      },
      "bbox": [
        -75.68145506305272,
        35.23212926569051,
        -75.67036958499497,
        35.24109000539999
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:13.401303+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3899_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3899_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3899_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            987,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            437998.5,
            0.0,
            -1.0,
            3899985.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.897,
                "maximum": 0.885,
                "mean": -1.614,
                "stddev": 0.401
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3898_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.68138078286232,
              35.22311280274806
            ],
            [
              -75.68138078286232,
              35.23220878261561
            ],
            [
              -75.67029542481148,
              35.23220878261561
            ],
            [
              -75.67029542481148,
              35.22311280274806
            ],
            [
              -75.68138078286232,
              35.22311280274806
            ]
          ]
        ]
      },
      "bbox": [
        -75.68138078286232,
        35.22311280274806,
        -75.67029542481148,
        35.23220878261561
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:13.505729+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3898_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3898_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3898_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            437998.5,
            0.0,
            -1.0,
            3899000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.435,
                "maximum": 2.613,
                "mean": -0.972,
                "stddev": 0.562
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3998_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.6703917115242,
              35.223174144626974
            ],
            [
              -75.6703917115242,
              35.23226914536711
            ],
            [
              -75.65930753835798,
              35.23226914536711
            ],
            [
              -75.65930753835798,
              35.223174144626974
            ],
            [
              -75.6703917115242,
              35.223174144626974
            ]
          ]
        ]
      },
      "bbox": [
        -75.6703917115242,
        35.223174144626974,
        -75.65930753835798,
        35.23226914536711
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:13.619700+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3998_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3998_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3998_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            438998.5,
            0.0,
            -1.0,
            3899000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.123,
                "maximum": -0.136,
                "mean": -1.035,
                "stddev": 0.424
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD3999_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.67046590714797,
              35.232190627937555
            ],
            [
              -75.67046590714797,
              35.241285635137764
            ],
            [
              -75.65938048307952,
              35.241285635137764
            ],
            [
              -75.65938048307952,
              35.232190627937555
            ],
            [
              -75.67046590714797,
              35.232190627937555
            ]
          ]
        ]
      },
      "bbox": [
        -75.67046590714797,
        35.232190627937555,
        -75.65938048307952,
        35.241285635137764
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:13.730287+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD3999_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD3999_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD3999_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            438998.5,
            0.0,
            -1.0,
            3900000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.778,
                "maximum": 0.003,
                "mean": -1.287,
                "stddev": 0.673
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD4097_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.65932966002536,
              35.21932132261517
            ],
            [
              -75.65932966002536,
              35.22331198750229
            ],
            [
              -75.64828849893523,
              35.22331198750229
            ],
            [
              -75.64828849893523,
              35.21932132261517
            ],
            [
              -75.65932966002536,
              35.21932132261517
            ]
          ]
        ]
      },
      "bbox": [
        -75.65932966002536,
        35.21932132261517,
        -75.64828849893523,
        35.22331198750229
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:13.801526+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD4097_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD4097_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD4097_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            436,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            439998.5,
            0.0,
            -1.0,
            3898000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.433,
                "maximum": 7.93,
                "mean": 0.963,
                "stddev": 1.257
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD4098_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.65940260724264,
              35.22323448929643
            ],
            [
              -75.65940260724264,
              35.23232851056781
            ],
            [
              -75.64831961951627,
              35.23232851056781
            ],
            [
              -75.64831961951627,
              35.22323448929643
            ],
            [
              -75.65940260724264,
              35.22323448929643
            ]
          ]
        ]
      },
      "bbox": [
        -75.65940260724264,
        35.22323448929643,
        -75.64831961951627,
        35.23232851056781
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:13.900626+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD4098_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD4098_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD4098_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            439998.5,
            0.0,
            -1.0,
            3899000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.925,
                "maximum": 2.246,
                "mean": -0.816,
                "stddev": 0.616
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD4197_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.64834173881748,
              35.22241923328792
            ],
            [
              -75.64834173881748,
              35.22333398496542
            ],
            [
              -75.64419222987114,
              35.22333398496542
            ],
            [
              -75.64419222987114,
              35.22241923328792
            ],
            [
              -75.64834173881748,
              35.22241923328792
            ]
          ]
        ]
      },
      "bbox": [
        -75.64834173881748,
        35.22241923328792,
        -75.64419222987114,
        35.22333398496542
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:13.979317+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD4197_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD4197_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD4197_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            99,
            377
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            440998.5,
            0.0,
            -1.0,
            3898000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.282,
                "maximum": 10.0,
                "mean": 2.096,
                "stddev": 2.16
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD4198_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.64841347055744,
              35.22329383674687
            ],
            [
              -75.64841347055744,
              35.23238687820825
            ],
            [
              -75.63733166882598,
              35.23238687820825
            ],
            [
              -75.63733166882598,
              35.22329383674687
            ],
            [
              -75.64841347055744,
              35.22329383674687
            ]
          ]
        ]
      },
      "bbox": [
        -75.64841347055744,
        35.22329383674687,
        -75.63733166882598,
        35.23238687820825
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:14.074500+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD4198_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD4198_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD4198_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            440998.5,
            0.0,
            -1.0,
            3899000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.852,
                "maximum": 10.771,
                "mean": 0.095,
                "stddev": 1.344
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD4099_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.65947558686355,
              35.232250992644076
            ],
            [
              -75.65947558686355,
              35.24134502004805
            ],
            [
              -75.64839134876155,
              35.24134502004805
            ],
            [
              -75.64839134876155,
              35.232250992644076
            ],
            [
              -75.65947558686355,
              35.232250992644076
            ]
          ]
        ]
      },
      "bbox": [
        -75.65947558686355,
        35.232250992644076,
        -75.64839134876155,
        35.24134502004805
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:14.198242+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD4099_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD4099_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD4099_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            439998.5,
            0.0,
            -1.0,
            3900000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.598,
                "maximum": -0.044,
                "mean": -1.727,
                "stddev": 0.601
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD4199_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.64848523416119,
              35.232310359800465
            ],
            [
              -75.64848523416119,
              35.24140340706692
            ],
            [
              -75.63740218258091,
              35.24140340706692
            ],
            [
              -75.63740218258091,
              35.232310359800465
            ],
            [
              -75.64848523416119,
              35.232310359800465
            ]
          ]
        ]
      },
      "bbox": [
        -75.64848523416119,
        35.232310359800465,
        -75.63740218258091,
        35.24140340706692
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:14.295175+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD4199_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD4199_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD4199_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            440998.5,
            0.0,
            -1.0,
            3900000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.556,
                "maximum": -0.12,
                "mean": -1.593,
                "stddev": 0.557
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD4298_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.63742430200845,
              35.22477680157585
            ],
            [
              -75.63742430200845,
              35.232444248279165
            ],
            [
              -75.62635463390326,
              35.232444248279165
            ],
            [
              -75.62635463390326,
              35.22477680157585
            ],
            [
              -75.63742430200845,
              35.22477680157585
            ]
          ]
        ]
      },
      "bbox": [
        -75.63742430200845,
        35.22477680157585,
        -75.62635463390326,
        35.232444248279165
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:14.459642+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD4298_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD4298_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD4298_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            844,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            441998.5,
            0.0,
            -1.0,
            3899000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.254,
                "maximum": 12.041,
                "mean": 1.219,
                "stddev": 1.449
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD4299_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.63749484958095,
              35.23236872939729
            ],
            [
              -75.63749484958095,
              35.24146079618509
            ],
            [
              -75.62641298507745,
              35.24146079618509
            ],
            [
              -75.62641298507745,
              35.23236872939729
            ],
            [
              -75.63749484958095,
              35.23236872939729
            ]
          ]
        ]
      },
      "bbox": [
        -75.63749484958095,
        35.23236872939729,
        -75.62641298507745,
        35.24146079618509
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:14.614616+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD4299_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD4299_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD4299_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            441998.5,
            0.0,
            -1.0,
            3900000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.894,
                "maximum": 11.879,
                "mean": -0.252,
                "stddev": 0.87
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD4398_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.62643510213556,
              35.227214530550015
            ],
            [
              -75.62643510213556,
              35.23250062077141
            ],
            [
              -75.61538440128389,
              35.23250062077141
            ],
            [
              -75.61538440128389,
              35.227214530550015
            ],
            [
              -75.62643510213556,
              35.227214530550015
            ]
          ]
        ]
      },
      "bbox": [
        -75.62643510213556,
        35.227214530550015,
        -75.61538440128389,
        35.23250062077141
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:14.693864+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD4398_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD4398_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD4398_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            580,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            442998.5,
            0.0,
            -1.0,
            3899000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.969,
                "maximum": 11.132,
                "mean": 2.138,
                "stddev": 1.606
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD4498_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.61544587147863,
              35.22672989928455
            ],
            [
              -75.61544587147863,
              35.23255599567603
            ],
            [
              -75.60439183355763,
              35.23255599567603
            ],
            [
              -75.60439183355763,
              35.22672989928455
            ],
            [
              -75.61544587147863,
              35.22672989928455
            ]
          ]
        ]
      },
      "bbox": [
        -75.61544587147863,
        35.22672989928455,
        -75.60439183355763,
        35.23255599567603
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:14.796219+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD4498_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD4498_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD4498_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            640,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            443998.5,
            0.0,
            -1.0,
            3899000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.703,
                "maximum": 11.467,
                "mean": 1.908,
                "stddev": 3.287
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD4399_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.62650443366294,
              35.232426101425254
            ],
            [
              -75.62650443366294,
              35.2415171873934
            ],
            [
              -75.61542375679107,
              35.2415171873934
            ],
            [
              -75.61542375679107,
              35.232426101425254
            ],
            [
              -75.62650443366294,
              35.232426101425254
            ]
          ]
        ]
      },
      "bbox": [
        -75.62650443366294,
        35.232426101425254,
        -75.61542375679107,
        35.2415171873934
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:14.966024+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD4399_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD4399_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD4399_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            442998.5,
            0.0,
            -1.0,
            3900000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.269,
                "maximum": 16.192,
                "mean": 1.836,
                "stddev": 2.085
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD4598_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.60445661057754,
              35.22724511102443
            ],
            [
              -75.60445661057754,
              35.23261037298422
            ],
            [
              -75.59340666897184,
              35.23261037298422
            ],
            [
              -75.59340666897184,
              35.22724511102443
            ],
            [
              -75.60445661057754,
              35.22724511102443
            ]
          ]
        ]
      },
      "bbox": [
        -75.60445661057754,
        35.22724511102443,
        -75.59340666897184,
        35.23261037298422
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:15.070729+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD4598_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD4598_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD4598_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            589,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            444998.5,
            0.0,
            -1.0,
            3899000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.231,
                "maximum": 2.307,
                "mean": -4.07,
                "stddev": 1.568
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD4499_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.61551398694729,
              35.232482475875244
            ],
            [
              -75.61551398694729,
              35.24157258068292
            ],
            [
              -75.60443449826164,
              35.24157258068292
            ],
            [
              -75.60443449826164,
              35.232482475875244
            ],
            [
              -75.61551398694729,
              35.232482475875244
            ]
          ]
        ]
      },
      "bbox": [
        -75.61551398694729,
        35.232482475875244,
        -75.60443449826164,
        35.24157258068292
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:15.150825+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD4499_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD4499_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD4499_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            443998.5,
            0.0,
            -1.0,
            3900000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.048,
                "maximum": 18.824,
                "mean": 2.992,
                "stddev": 2.643
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD4599_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.60452350997411,
              35.232537852738275
            ],
            [
              -75.60452350997411,
              35.24162697604481
            ],
            [
              -75.59344521002903,
              35.24162697604481
            ],
            [
              -75.59344521002903,
              35.232537852738275
            ],
            [
              -75.60452350997411,
              35.232537852738275
            ]
          ]
        ]
      },
      "bbox": [
        -75.60452350997411,
        35.232537852738275,
        -75.59344521002903,
        35.24162697604481
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:15.424767+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD4599_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD4599_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD4599_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            444998.5,
            0.0,
            -1.0,
            3900000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.488,
                "maximum": 13.895,
                "mean": 3.513,
                "stddev": 2.364
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD4798_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.5824622101013,
              35.22896682849692
            ],
            [
              -75.5824622101013,
              35.23050705635639
            ],
            [
              -75.57144074924662,
              35.23050705635639
            ],
            [
              -75.57144074924662,
              35.22896682849692
            ],
            [
              -75.5824622101013,
              35.22896682849692
            ]
          ]
        ]
      },
      "bbox": [
        -75.5824622101013,
        35.22896682849692,
        -75.57144074924662,
        35.23050705635639
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:15.504975+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD4798_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD4798_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD4798_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            165,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            446998.5,
            0.0,
            -1.0,
            3898755.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.196,
                "maximum": -4.429,
                "mean": -4.945,
                "stddev": 0.323
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD4698_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.59345024708888,
              35.22817409155814
            ],
            [
              -75.59345024708888,
              35.23031942906234
            ],
            [
              -75.58242431536829,
              35.23031942906234
            ],
            [
              -75.58242431536829,
              35.22817409155814
            ],
            [
              -75.59345024708888,
              35.22817409155814
            ]
          ]
        ]
      },
      "bbox": [
        -75.59345024708888,
        35.22817409155814,
        -75.58242431536829,
        35.23031942906234
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:15.637733+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD4698_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD4698_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD4698_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            232,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            445998.5,
            0.0,
            -1.0,
            3898740.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -6.966,
                "maximum": -3.715,
                "mean": -5.108,
                "stddev": 0.61
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD4699_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.59353300328354,
              35.233313560748925
            ],
            [
              -75.59353300328354,
              35.24168037347042
            ],
            [
              -75.58246104875758,
              35.24168037347042
            ],
            [
              -75.58246104875758,
              35.233313560748925
            ],
            [
              -75.59353300328354,
              35.233313560748925
            ]
          ]
        ]
      },
      "bbox": [
        -75.59353300328354,
        35.233313560748925,
        -75.58246104875758,
        35.24168037347042
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:15.761181+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD4699_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD4699_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD4699_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            922,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            445998.5,
            0.0,
            -1.0,
            3900000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.081,
                "maximum": 9.32,
                "mean": 2.758,
                "stddev": 1.185
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD4898_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.57148858857124,
              35.22947905460876
            ],
            [
              -75.57148858857124,
              35.23275850258243
            ],
            [
              -75.56045503358406,
              35.23275850258243
            ],
            [
              -75.56045503358406,
              35.22947905460876
            ],
            [
              -75.57148858857124,
              35.22947905460876
            ]
          ]
        ]
      },
      "bbox": [
        -75.57148858857124,
        35.22947905460876,
        -75.56045503358406,
        35.23275850258243
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:15.929388+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD4898_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD4898_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD4898_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            358,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            447998.5,
            0.0,
            -1.0,
            3898999.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -5.066,
                "maximum": 2.908,
                "mean": -1.537,
                "stddev": 1.765
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD4998_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.56049927532956,
              35.229404201610585
            ],
            [
              -75.56049927532956,
              35.23281790608199
            ],
            [
              -75.54946521486471,
              35.23281790608199
            ],
            [
              -75.54946521486471,
              35.229404201610585
            ],
            [
              -75.56049927532956,
              35.229404201610585
            ]
          ]
        ]
      },
      "bbox": [
        -75.56049927532956,
        35.229404201610585,
        -75.54946521486471,
        35.23281790608199
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:16.067007+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD4998_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD4998_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD4998_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            373,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            448998.5,
            0.0,
            -1.0,
            3899000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.152,
                "maximum": 5.748,
                "mean": 2.26,
                "stddev": 1.114
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD4899_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.57154658873736,
              35.23269799771841
            ],
            [
              -75.57154658873736,
              35.24102677596078
            ],
            [
              -75.56047717251134,
              35.24102677596078
            ],
            [
              -75.56047717251134,
              35.23269799771841
            ],
            [
              -75.57154658873736,
              35.23269799771841
            ]
          ]
        ]
      },
      "bbox": [
        -75.57154658873736,
        35.23269799771841,
        -75.56047717251134,
        35.24102677596078
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:16.186175+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD4899_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD4899_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD4899_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            918,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            447998.5,
            0.0,
            -1.0,
            3899916.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.335,
                "maximum": 7.309,
                "mean": 2.573,
                "stddev": 0.897
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD4799_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.58254208052703,
              35.233439076840845
            ],
            [
              -75.58254208052703,
              35.24167867316266
            ],
            [
              -75.5714721113649,
              35.24167867316266
            ],
            [
              -75.5714721113649,
              35.233439076840845
            ],
            [
              -75.58254208052703,
              35.233439076840845
            ]
          ]
        ]
      },
      "bbox": [
        -75.58254208052703,
        35.233439076840845,
        -75.5714721113649,
        35.24167867316266
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:16.266289+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD4799_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD4799_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD4799_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            908,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            446998.5,
            0.0,
            -1.0,
            3899994.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.417,
                "maximum": 8.059,
                "mean": 2.749,
                "stddev": 1.09
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD5099_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.54955049529873,
              35.23279977294652
            ],
            [
              -75.54955049529873,
              35.23889044460895
            ],
            [
              -75.53849834221546,
              35.23889044460895
            ],
            [
              -75.53849834221546,
              35.23279977294652
            ],
            [
              -75.54955049529873,
              35.23279977294652
            ]
          ]
        ]
      },
      "bbox": [
        -75.54955049529873,
        35.23279977294652,
        -75.53849834221546,
        35.23889044460895
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:16.342344+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD5099_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD5099_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD5099_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            670,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            449998.5,
            0.0,
            -1.0,
            3899668.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.991,
                "maximum": 6.21,
                "mean": 2.15,
                "stddev": 0.591
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD4999_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.56054679165445,
              35.23274938414717
            ],
            [
              -75.56054679165445,
              35.23972467802049
            ],
            [
              -75.54948777086518,
              35.23972467802049
            ],
            [
              -75.54948777086518,
              35.23274938414717
            ],
            [
              -75.56054679165445,
              35.23274938414717
            ]
          ]
        ]
      },
      "bbox": [
        -75.56054679165445,
        35.23274938414717,
        -75.54948777086518,
        35.23972467802049
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:16.431874+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD4999_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD4999_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD4999_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            768,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            448998.5,
            0.0,
            -1.0,
            3899766.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 1.193,
                "maximum": 7.78,
                "mean": 2.427,
                "stddev": 0.863
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD5098_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.54950987130624,
              35.22462163976273
            ],
            [
              -75.54950987130624,
              35.23286729528144
            ],
            [
              -75.53844430771046,
              35.23286729528144
            ],
            [
              -75.53844430771046,
              35.22462163976273
            ],
            [
              -75.54950987130624,
              35.22462163976273
            ]
          ]
        ]
      },
      "bbox": [
        -75.54950987130624,
        35.22462163976273,
        -75.53844430771046,
        35.23286729528144
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:16.506470+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD5098_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD5098_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD5098_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            909,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            449998.5,
            0.0,
            -1.0,
            3899000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.12,
                "maximum": 5.886,
                "mean": 2.334,
                "stddev": 0.706
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD5197_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.53704338231935,
              35.21967303710732
            ],
            [
              -75.53704338231935,
              35.223898968864326
            ],
            [
              -75.52742357626825,
              35.223898968864326
            ],
            [
              -75.52742357626825,
              35.21967303710732
            ],
            [
              -75.53704338231935,
              35.21967303710732
            ]
          ]
        ]
      },
      "bbox": [
        -75.53704338231935,
        35.21967303710732,
        -75.52742357626825,
        35.223898968864326
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:16.610714+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD5197_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD5197_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD5197_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            464,
            873
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            451127.5,
            0.0,
            -1.0,
            3898000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.174,
                "maximum": 5.744,
                "mean": 2.046,
                "stddev": 0.663
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD5198_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.53852044027823,
              35.223832462206225
            ],
            [
              -75.53852044027823,
              35.232915686834914
            ],
            [
              -75.52745052897238,
              35.232915686834914
            ],
            [
              -75.52745052897238,
              35.223832462206225
            ],
            [
              -75.53852044027823,
              35.223832462206225
            ]
          ]
        ]
      },
      "bbox": [
        -75.53852044027823,
        35.223832462206225,
        -75.52745052897238,
        35.232915686834914
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:16.675303+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD5198_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD5198_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD5198_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            450998.5,
            0.0,
            -1.0,
            3899000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.641,
                "maximum": 9.008,
                "mean": 1.933,
                "stddev": 1.011
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD5298_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.52753098278548,
              35.230165493511436
            ],
            [
              -75.52753098278548,
              35.232917984536556
            ],
            [
              -75.5269637250329,
              35.232917984536556
            ],
            [
              -75.5269637250329,
              35.230165493511436
            ],
            [
              -75.52753098278548,
              35.230165493511436
            ]
          ]
        ]
      },
      "bbox": [
        -75.52753098278548,
        35.230165493511436,
        -75.5269637250329,
        35.232917984536556
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:16.787348+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD5298_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD5298_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD5298_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            305,
            50
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            451998.5,
            0.0,
            -1.0,
            3899000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.237,
                "maximum": 5.046,
                "mean": 2.111,
                "stddev": 0.701
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD5297_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.5274611281876,
              35.217533062088926
            ],
            [
              -75.5274611281876,
              35.22213651526551
            ],
            [
              -75.52422311415584,
              35.22213651526551
            ],
            [
              -75.52422311415584,
              35.217533062088926
            ],
            [
              -75.5274611281876,
              35.217533062088926
            ]
          ]
        ]
      },
      "bbox": [
        -75.5274611281876,
        35.217533062088926,
        -75.52422311415584,
        35.22213651526551
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:16.966678+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD5297_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD5297_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD5297_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            509,
            292
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            451998.5,
            0.0,
            -1.0,
            3897803.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.556,
                "maximum": 2.428,
                "mean": -0.758,
                "stddev": 1.269
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD5299_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.5275893693231,
              35.2328975576251
            ],
            [
              -75.5275893693231,
              35.24194347920674
            ],
            [
              -75.52495932979126,
              35.24194347920674
            ],
            [
              -75.52495932979126,
              35.2328975576251
            ],
            [
              -75.5275893693231,
              35.2328975576251
            ]
          ]
        ]
      },
      "bbox": [
        -75.5275893693231,
        35.2328975576251,
        -75.52495932979126,
        35.24194347920674
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:17.031970+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD5299_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD5299_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD5299_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            234
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            451998.5,
            0.0,
            -1.0,
            3900000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.132,
                "maximum": 9.855,
                "mean": 3.181,
                "stddev": 1.313
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVD5199_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.53858004297483,
              35.232849164108444
            ],
            [
              -75.53858004297483,
              35.24193239126264
            ],
            [
              -75.52750888710212,
              35.24193239126264
            ],
            [
              -75.52750888710212,
              35.232849164108444
            ],
            [
              -75.53858004297483,
              35.232849164108444
            ]
          ]
        ]
      },
      "bbox": [
        -75.53858004297483,
        35.232849164108444,
        -75.52750888710212,
        35.24193239126264
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:17.134679+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVD5199_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVD5199_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVD5199_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            450998.5,
            0.0,
            -1.0,
            3900000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.291,
                "maximum": 8.753,
                "mean": 2.159,
                "stddev": 0.68
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3299_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.7456309217721,
              36.138083361376225
            ],
            [
              -75.7456309217721,
              36.142407201408496
            ],
            [
              -75.74467872605739,
              36.142407201408496
            ],
            [
              -75.74467872605739,
              36.138083361376225
            ],
            [
              -75.7456309217721,
              36.138083361376225
            ]
          ]
        ]
      },
      "bbox": [
        -75.7456309217721,
        36.138083361376225,
        -75.74467872605739,
        36.142407201408496
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:17.191860+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3299_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3299_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3299_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            479,
            82
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            432918.5,
            0.0,
            -1.0,
            4000000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.518,
                "maximum": 10.04,
                "mean": 4.284,
                "stddev": 2.169
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3397_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.73888211469823,
              36.12021133894237
            ],
            [
              -75.73888211469823,
              36.12444579453261
            ],
            [
              -75.7333981875819,
              36.12444579453261
            ],
            [
              -75.7333981875819,
              36.12021133894237
            ],
            [
              -75.73888211469823,
              36.12021133894237
            ]
          ]
        ]
      },
      "bbox": [
        -75.73888211469823,
        36.12021133894237,
        -75.7333981875819,
        36.12444579453261
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:17.249354+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3397_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3397_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3397_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            466,
            490
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            433510.5,
            0.0,
            -1.0,
            3998000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.378,
                "maximum": 8.258,
                "mean": 2.763,
                "stddev": 1.474
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3398_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.74215610613783,
              36.1243745887202
            ],
            [
              -75.74215610613783,
              36.133460803500526
            ],
            [
              -75.73343709580834,
              36.133460803500526
            ],
            [
              -75.73343709580834,
              36.1243745887202
            ],
            [
              -75.74215610613783,
              36.1243745887202
            ]
          ]
        ]
      },
      "bbox": [
        -75.74215610613783,
        36.1243745887202,
        -75.73343709580834,
        36.133460803500526
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:17.306828+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3398_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3398_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3398_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            777
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            433223.5,
            0.0,
            -1.0,
            3999000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.398,
                "maximum": 18.074,
                "mean": 6.053,
                "stddev": 4.096
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3399_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.74474176554506,
              36.13337406058606
            ],
            [
              -75.74474176554506,
              36.1424757987017
            ],
            [
              -75.73352097701805,
              36.1424757987017
            ],
            [
              -75.73352097701805,
              36.13337406058606
            ],
            [
              -75.74474176554506,
              36.13337406058606
            ]
          ]
        ]
      },
      "bbox": [
        -75.74474176554506,
        36.13337406058606,
        -75.73352097701805,
        36.1424757987017
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:17.364604+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3399_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3399_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3399_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            432998.5,
            0.0,
            -1.0,
            4000000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.403,
                "maximum": 20.043,
                "mean": 6.186,
                "stddev": 4.032
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3495_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.72325993584492,
              36.104412128405286
            ],
            [
              -75.72325993584492,
              36.1064741975268
            ],
            [
              -75.72214128744461,
              36.1064741975268
            ],
            [
              -75.72214128744461,
              36.104412128405286
            ],
            [
              -75.72325993584492,
              36.104412128405286
            ]
          ]
        ]
      },
      "bbox": [
        -75.72325993584492,
        36.104412128405286,
        -75.72214128744461,
        36.1064741975268
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:17.443941+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3495_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3495_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3495_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            228,
            99
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            434901.5,
            0.0,
            -1.0,
            3995999.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 3.747,
                "maximum": 11.407,
                "mean": 7.213,
                "stddev": 1.529
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3496_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.72949801120296,
              36.10642123650926
            ],
            [
              -75.72949801120296,
              36.115498271256264
            ],
            [
              -75.72216001829896,
              36.115498271256264
            ],
            [
              -75.72216001829896,
              36.10642123650926
            ],
            [
              -75.72949801120296,
              36.10642123650926
            ]
          ]
        ]
      },
      "bbox": [
        -75.72949801120296,
        36.10642123650926,
        -75.72216001829896,
        36.115498271256264
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:17.501782+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3496_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3496_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3496_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            653
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            434347.5,
            0.0,
            -1.0,
            3997000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 2.368,
                "maximum": 12.775,
                "mean": 6.407,
                "stddev": 2.073
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3497_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.73345948743412,
              36.11541260570899
            ],
            [
              -75.73345948743412,
              36.124513316161305
            ],
            [
              -75.7222425555683,
              36.124513316161305
            ],
            [
              -75.7222425555683,
              36.11541260570899
            ],
            [
              -75.73345948743412,
              36.11541260570899
            ]
          ]
        ]
      },
      "bbox": [
        -75.73345948743412,
        36.11541260570899,
        -75.7222425555683,
        36.124513316161305
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:17.592923+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3497_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3497_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3497_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            433998.5,
            0.0,
            -1.0,
            3998000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.232,
                "maximum": 13.629,
                "mean": 4.822,
                "stddev": 2.485
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3593_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.71209894680965,
              36.08633962714445
            ],
            [
              -75.71209894680965,
              36.088519457678196
            ],
            [
              -75.7108687270372,
              36.088519457678196
            ],
            [
              -75.7108687270372,
              36.08633962714445
            ],
            [
              -75.71209894680965,
              36.08633962714445
            ]
          ]
        ]
      },
      "bbox": [
        -75.71209894680965,
        36.08633962714445,
        -75.7108687270372,
        36.088519457678196
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:17.661927+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3593_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3593_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3593_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            241,
            109
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            435891.5,
            0.0,
            -1.0,
            3994000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 6.447,
                "maximum": 13.673,
                "mean": 10.196,
                "stddev": 1.168
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3499_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.73362729235862,
              36.13344263737577
            ],
            [
              -75.73362729235862,
              36.14250781835738
            ],
            [
              -75.72827553382545,
              36.14250781835738
            ],
            [
              -75.72827553382545,
              36.13344263737577
            ],
            [
              -75.73362729235862,
              36.13344263737577
            ]
          ]
        ]
      },
      "bbox": [
        -75.73362729235862,
        36.13344263737577,
        -75.72827553382545,
        36.14250781835738
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:17.719893+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3499_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3499_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3499_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            474
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            433998.5,
            0.0,
            -1.0,
            4000000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.339,
                "maximum": 8.129,
                "mean": 3.324,
                "stddev": 1.296
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3498_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.73354337125949,
              36.12442762842503
            ],
            [
              -75.73354337125949,
              36.133520632232134
            ],
            [
              -75.72360300751434,
              36.133520632232134
            ],
            [
              -75.72360300751434,
              36.12442762842503
            ],
            [
              -75.73354337125949,
              36.12442762842503
            ]
          ]
        ]
      },
      "bbox": [
        -75.73354337125949,
        36.12442762842503,
        -75.72360300751434,
        36.133520632232134
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:17.818848+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3498_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3498_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3498_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            887
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            433998.5,
            0.0,
            -1.0,
            3999000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.193,
                "maximum": 14.298,
                "mean": 4.876,
                "stddev": 2.728
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3597_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.72232711885029,
              36.11548010718208
            ],
            [
              -75.72232711885029,
              36.12230758881986
            ],
            [
              -75.7187537893419,
              36.12230758881986
            ],
            [
              -75.7187537893419,
              36.11548010718208
            ],
            [
              -75.72232711885029,
              36.11548010718208
            ]
          ]
        ]
      },
      "bbox": [
        -75.72232711885029,
        36.11548010718208,
        -75.7187537893419,
        36.12230758881986
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:17.919040+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3597_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3597_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3597_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            755,
            316
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            434998.5,
            0.0,
            -1.0,
            3997753.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.215,
                "maximum": 7.706,
                "mean": 3.49,
                "stddev": 1.298
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3594_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.7176899491303,
              36.0884613762331
            ],
            [
              -75.7176899491303,
              36.09753456567429
            ],
            [
              -75.7108881274538,
              36.09753456567429
            ],
            [
              -75.7108881274538,
              36.0884613762331
            ],
            [
              -75.7176899491303,
              36.0884613762331
            ]
          ]
        ]
      },
      "bbox": [
        -75.7176899491303,
        36.0884613762331,
        -75.7108881274538,
        36.09753456567429
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:18.021442+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3594_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3594_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3594_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            605
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            435395.5,
            0.0,
            -1.0,
            3995000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 1.358,
                "maximum": 15.949,
                "mean": 6.93,
                "stddev": 2.63
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3596_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.72226494211401,
              36.10646504853465
            ],
            [
              -75.72226494211401,
              36.11554755754692
            ],
            [
              -75.71393901880509,
              36.11554755754692
            ],
            [
              -75.71393901880509,
              36.10646504853465
            ],
            [
              -75.72226494211401,
              36.10646504853465
            ]
          ]
        ]
      },
      "bbox": [
        -75.72226494211401,
        36.10646504853465,
        -75.71393901880509,
        36.11554755754692
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:18.080185+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3596_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3596_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3596_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            742
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            434998.5,
            0.0,
            -1.0,
            3997000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.276,
                "maximum": 9.121,
                "mean": 3.615,
                "stddev": 1.133
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3595_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.72218240223245,
              36.09744997612978
            ],
            [
              -75.72218240223245,
              36.10654965991929
            ],
            [
              -75.71096932308798,
              36.10654965991929
            ],
            [
              -75.71096932308798,
              36.09744997612978
            ],
            [
              -75.72218240223245,
              36.09744997612978
            ]
          ]
        ]
      },
      "bbox": [
        -75.72218240223245,
        36.09744997612978,
        -75.71096932308798,
        36.10654965991929
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:18.154439+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3595_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3595_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3595_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            434998.5,
            0.0,
            -1.0,
            3996000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.497,
                "maximum": 15.926,
                "mean": 5.982,
                "stddev": 2.899
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3691_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.70109846794566,
              36.06851749053052
            ],
            [
              -75.70109846794566,
              36.070554531878976
            ],
            [
              -75.69960361392344,
              36.070554531878976
            ],
            [
              -75.69960361392344,
              36.06851749053052
            ],
            [
              -75.70109846794566,
              36.06851749053052
            ]
          ]
        ]
      },
      "bbox": [
        -75.70109846794566,
        36.06851749053052,
        -75.69960361392344,
        36.070554531878976
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:18.284240+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3691_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3691_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3691_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            225,
            133
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            436867.5,
            0.0,
            -1.0,
            3992000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 6.368,
                "maximum": 12.006,
                "mean": 8.267,
                "stddev": 1.211
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3692_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.70673134349585,
              36.07049526625713
            ],
            [
              -75.70673134349585,
              36.079569624004925
            ],
            [
              -75.69963252148683,
              36.079569624004925
            ],
            [
              -75.69963252148683,
              36.07049526625713
            ],
            [
              -75.70673134349585,
              36.07049526625713
            ]
          ]
        ]
      },
      "bbox": [
        -75.70673134349585,
        36.07049526625713,
        -75.69963252148683,
        36.079569624004925
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:18.451711+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3692_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3692_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3692_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            632
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            436367.5,
            0.0,
            -1.0,
            3993000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 2.396,
                "maximum": 13.769,
                "mean": 6.696,
                "stddev": 2.413
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3789_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.68970337354146,
              36.049776985477635
            ],
            [
              -75.68970337354146,
              36.05258843728182
            ],
            [
              -75.68833562543699,
              36.05258843728182
            ],
            [
              -75.68833562543699,
              36.049776985477635
            ],
            [
              -75.68970337354146,
              36.049776985477635
            ]
          ]
        ]
      },
      "bbox": [
        -75.68970337354146,
        36.049776985477635,
        -75.68833562543699,
        36.05258843728182
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:18.547517+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3789_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3789_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3789_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            311,
            121
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            437879.5,
            0.0,
            -1.0,
            3990000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 2.238,
                "maximum": 11.251,
                "mean": 7.19,
                "stddev": 2.289
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3695_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.71102809046019,
              36.097516403648676
            ],
            [
              -75.71102809046019,
              36.10158695305404
            ],
            [
              -75.70866992228014,
              36.10158695305404
            ],
            [
              -75.70866992228014,
              36.097516403648676
            ],
            [
              -75.71102809046019,
              36.097516403648676
            ]
          ]
        ]
      },
      "bbox": [
        -75.71102809046019,
        36.097516403648676,
        -75.70866992228014,
        36.10158695305404
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:18.607197+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3695_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3695_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3695_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            450,
            209
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            435998.5,
            0.0,
            -1.0,
            3995448.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.443,
                "maximum": 5.938,
                "mean": 3.043,
                "stddev": 0.987
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3694_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.71099170194587,
              36.08850129566838
            ],
            [
              -75.71099170194587,
              36.09757999453929
            ],
            [
              -75.70319100636374,
              36.09757999453929
            ],
            [
              -75.70319100636374,
              36.08850129566838
            ],
            [
              -75.71099170194587,
              36.08850129566838
            ]
          ]
        ]
      },
      "bbox": [
        -75.71099170194587,
        36.08850129566838,
        -75.70319100636374,
        36.09757999453929
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:18.701188+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3694_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3694_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3694_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            695
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            435998.5,
            0.0,
            -1.0,
            3995000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.346,
                "maximum": 10.16,
                "mean": 3.599,
                "stddev": 1.043
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3693_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.71091050370286,
              36.07948617393844
            ],
            [
              -75.71091050370286,
              36.08858483206537
            ],
            [
              -75.69970127334314,
              36.08858483206537
            ],
            [
              -75.69970127334314,
              36.07948617393844
            ],
            [
              -75.71091050370286,
              36.07948617393844
            ]
          ]
        ]
      },
      "bbox": [
        -75.71091050370286,
        36.07948617393844,
        -75.69970127334314,
        36.08858483206537
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:18.795328+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3693_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3693_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3693_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            435998.5,
            0.0,
            -1.0,
            3994000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.343,
                "maximum": 14.701,
                "mean": 5.747,
                "stddev": 2.704
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3790_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.69570005306821,
              36.052528496785655
            ],
            [
              -75.69570005306821,
              36.06160364285263
            ],
            [
              -75.68835988083755,
              36.06160364285263
            ],
            [
              -75.68835988083755,
              36.052528496785655
            ],
            [
              -75.69570005306821,
              36.052528496785655
            ]
          ]
        ]
      },
      "bbox": [
        -75.69570005306821,
        36.052528496785655,
        -75.68835988083755,
        36.06160364285263
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:18.861042+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3790_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3790_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3790_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            654
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            437346.5,
            0.0,
            -1.0,
            3991000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 1.911,
                "maximum": 14.729,
                "mean": 5.845,
                "stddev": 2.763
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3792_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.69972364452103,
              36.07053637191505
            ],
            [
              -75.69972364452103,
              36.079612963786516
            ],
            [
              -75.69217032639676,
              36.079612963786516
            ],
            [
              -75.69217032639676,
              36.07053637191505
            ],
            [
              -75.69972364452103,
              36.07053637191505
            ]
          ]
        ]
      },
      "bbox": [
        -75.69972364452103,
        36.07053637191505,
        -75.69217032639676,
        36.079612963786516
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:18.947811+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3792_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3792_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3792_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            673
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            436998.5,
            0.0,
            -1.0,
            3993000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.224,
                "maximum": 11.67,
                "mean": 3.521,
                "stddev": 1.459
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3791_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.6996437856142,
              36.06152120122331
            ],
            [
              -75.6996437856142,
              36.07061883468767
            ],
            [
              -75.6884384001058,
              36.07061883468767
            ],
            [
              -75.6884384001058,
              36.06152120122331
            ],
            [
              -75.6996437856142,
              36.06152120122331
            ]
          ]
        ]
      },
      "bbox": [
        -75.6996437856142,
        36.06152120122331,
        -75.6884384001058,
        36.07061883468767
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:19.025342+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3791_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3791_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3791_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            436998.5,
            0.0,
            -1.0,
            3992000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.272,
                "maximum": 13.556,
                "mean": 5.178,
                "stddev": 2.559
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3887_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.67920138575177,
              36.031138436721584
            ],
            [
              -75.67920138575177,
              36.03461216071148
            ],
            [
              -75.67707396002601,
              36.03461216071148
            ],
            [
              -75.67707396002601,
              36.031138436721584
            ],
            [
              -75.67920138575177,
              36.031138436721584
            ]
          ]
        ]
      },
      "bbox": [
        -75.67920138575177,
        36.031138436721584,
        -75.67707396002601,
        36.03461216071148
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:19.095102+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3887_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3887_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3887_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            384,
            189
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            438811.5,
            0.0,
            -1.0,
            3987999.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 2.34,
                "maximum": 8.42,
                "mean": 3.596,
                "stddev": 1.253
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3793_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.6997526420815,
              36.07955152886483
            ],
            [
              -75.6997526420815,
              36.08285254963583
            ],
            [
              -75.69792435890959,
              36.08285254963583
            ],
            [
              -75.69792435890959,
              36.07955152886483
            ],
            [
              -75.6997526420815,
              36.07955152886483
            ]
          ]
        ]
      },
      "bbox": [
        -75.6997526420815,
        36.07955152886483,
        -75.69792435890959,
        36.08285254963583
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:19.159942+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3793_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3793_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3793_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            365,
            162
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            436998.5,
            0.0,
            -1.0,
            3993363.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.203,
                "maximum": 6.398,
                "mean": 3.067,
                "stddev": 1.289
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3900_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.66581005952182,
              35.24123288310011
            ],
            [
              -75.66581005952182,
              35.24312499738194
            ],
            [
              -75.6594534602036,
              35.24312499738194
            ],
            [
              -75.6594534602036,
              35.24123288310011
            ],
            [
              -75.66581005952182,
              35.24123288310011
            ]
          ]
        ]
      },
      "bbox": [
        -75.66581005952182,
        35.24123288310011,
        -75.6594534602036,
        35.24312499738194
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:19.286326+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3900_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3900_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3900_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            206,
            577
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            439423.5,
            0.0,
            -1.0,
            3900204.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.683,
                "maximum": -2.221,
                "mean": -2.447,
                "stddev": 0.054
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3891_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.68849076817456,
              36.06158548491817
            ],
            [
              -75.68849076817456,
              36.0650609450577
            ],
            [
              -75.68608451803125,
              36.0650609450577
            ],
            [
              -75.68608451803125,
              36.06158548491817
            ],
            [
              -75.68849076817456,
              36.06158548491817
            ]
          ]
        ]
      },
      "bbox": [
        -75.68849076817456,
        36.06158548491817,
        -75.68608451803125,
        36.0650609450577
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:19.350163+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3891_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3891_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3891_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            384,
            214
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            437998.5,
            0.0,
            -1.0,
            3991382.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.183,
                "maximum": 7.983,
                "mean": 3.335,
                "stddev": 1.316
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3888_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.6846738290808,
              36.03456060421251
            ],
            [
              -75.6846738290808,
              36.0436364297865
            ],
            [
              -75.67710351262224,
              36.0436364297865
            ],
            [
              -75.67710351262224,
              36.03456060421251
            ],
            [
              -75.6846738290808,
              36.03456060421251
            ]
          ]
        ]
      },
      "bbox": [
        -75.6846738290808,
        36.03456060421251,
        -75.67710351262224,
        36.0436364297865
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:19.446334+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3888_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3888_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3888_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            675
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            438325.5,
            0.0,
            -1.0,
            3989000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.201,
                "maximum": 5.239,
                "mean": 2.423,
                "stddev": 0.418
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3890_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.68846076361156,
              36.05257027936179
            ],
            [
              -75.68846076361156,
              36.06165143126592
            ],
            [
              -75.67998900253886,
              36.06165143126592
            ],
            [
              -75.67998900253886,
              36.05257027936179
            ],
            [
              -75.68846076361156,
              36.05257027936179
            ]
          ]
        ]
      },
      "bbox": [
        -75.68846076361156,
        36.05257027936179,
        -75.67998900253886,
        36.06165143126592
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:19.509901+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3890_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3890_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3890_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            756
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            437998.5,
            0.0,
            -1.0,
            3991000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.426,
                "maximum": 11.261,
                "mean": 3.203,
                "stddev": 1.309
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3889_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.68838224174131,
              36.04355506007105
            ],
            [
              -75.68838224174131,
              36.052651669872574
            ],
            [
              -75.67718069715404,
              36.052651669872574
            ],
            [
              -75.67718069715404,
              36.04355506007105
            ],
            [
              -75.68838224174131,
              36.04355506007105
            ]
          ]
        ]
      },
      "bbox": [
        -75.68838224174131,
        36.04355506007105,
        -75.67718069715404,
        36.052651669872574
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:19.703161+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3889_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3889_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3889_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            437998.5,
            0.0,
            -1.0,
            3990000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.475,
                "maximum": 9.737,
                "mean": 3.005,
                "stddev": 1.059
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3985_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.6679386856737,
              36.01327843967222
            ],
            [
              -75.6679386856737,
              36.01665275003382
            ],
            [
              -75.66582417362561,
              36.01665275003382
            ],
            [
              -75.66582417362561,
              36.01327843967222
            ],
            [
              -75.6679386856737,
              36.01327843967222
            ]
          ]
        ]
      },
      "bbox": [
        -75.6679386856737,
        36.01327843967222,
        -75.66582417362561,
        36.01665275003382
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:19.765610+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3985_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3985_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3985_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            373,
            188
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            439812.5,
            0.0,
            -1.0,
            3986000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 2.152,
                "maximum": 13.47,
                "mean": 4.384,
                "stddev": 2.665
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3986_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.67349729061748,
              36.01659246297331
            ],
            [
              -75.67349729061748,
              36.02566805172971
            ],
            [
              -75.66585230618267,
              36.02566805172971
            ],
            [
              -75.66585230618267,
              36.01659246297331
            ],
            [
              -75.67349729061748,
              36.01659246297331
            ]
          ]
        ]
      },
      "bbox": [
        -75.67349729061748,
        36.01659246297331,
        -75.66585230618267,
        36.02566805172971
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:19.861716+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3986_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3986_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3986_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            682
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            439318.5,
            0.0,
            -1.0,
            3987000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.067,
                "maximum": 4.503,
                "mean": 2.028,
                "stddev": 0.402
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3989_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.67724443941417,
              36.043618273894616
            ],
            [
              -75.67724443941417,
              36.04848699221716
            ],
            [
              -75.6739170850149,
              36.04848699221716
            ],
            [
              -75.6739170850149,
              36.043618273894616
            ],
            [
              -75.67724443941417,
              36.043618273894616
            ]
          ]
        ]
      },
      "bbox": [
        -75.67724443941417,
        36.043618273894616,
        -75.6739170850149,
        36.04848699221716
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:19.932323+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3989_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3989_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3989_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            538,
            296
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            438998.5,
            0.0,
            -1.0,
            3989536.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.303,
                "maximum": 7.361,
                "mean": 3.153,
                "stddev": 1.151
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4000_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.65949281478164,
              35.24126748240216
            ],
            [
              -75.65949281478164,
              35.24347291430384
            ],
            [
              -75.6484631098695,
              35.24347291430384
            ],
            [
              -75.6484631098695,
              35.24126748240216
            ],
            [
              -75.65949281478164,
              35.24126748240216
            ]
          ]
        ]
      },
      "bbox": [
        -75.65949281478164,
        35.24126748240216,
        -75.6484631098695,
        35.24347291430384
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:20.007567+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4000_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4000_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4000_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            238,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            439998.5,
            0.0,
            -1.0,
            3900236.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.617,
                "maximum": -2.145,
                "mean": -2.384,
                "stddev": 0.074
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3988_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.67720305299551,
              36.03460302009404
            ],
            [
              -75.67720305299551,
              36.04368817699343
            ],
            [
              -75.66787985663277,
              36.04368817699343
            ],
            [
              -75.66787985663277,
              36.03460302009404
            ],
            [
              -75.67720305299551,
              36.03460302009404
            ]
          ]
        ]
      },
      "bbox": [
        -75.67720305299551,
        36.03460302009404,
        -75.66787985663277,
        36.04368817699343
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:20.084575+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3988_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3988_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3988_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            833
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            438998.5,
            0.0,
            -1.0,
            3989000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.503,
                "maximum": 7.414,
                "mean": 2.658,
                "stddev": 0.875
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE3987_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.67712586586511,
              36.02558775256664
            ],
            [
              -75.67712586586511,
              36.03468333970479
            ],
            [
              -75.66592815827198,
              36.03468333970479
            ],
            [
              -75.66592815827198,
              36.02558775256664
            ],
            [
              -75.67712586586511,
              36.02558775256664
            ]
          ]
        ]
      },
      "bbox": [
        -75.67712586586511,
        36.02558775256664,
        -75.66592815827198,
        36.03468333970479
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:20.159410+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE3987_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE3987_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE3987_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            438998.5,
            0.0,
            -1.0,
            3988000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.499,
                "maximum": 8.053,
                "mean": 2.486,
                "stddev": 0.775
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4082_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.657260842759,
              35.98519928696564
            ],
            [
              -75.657260842759,
              35.98966779862092
            ],
            [
              -75.65449513010181,
              35.98966779862092
            ],
            [
              -75.65449513010181,
              35.98519928696564
            ],
            [
              -75.657260842759,
              35.98519928696564
            ]
          ]
        ]
      },
      "bbox": [
        -75.657260842759,
        35.98519928696564,
        -75.65449513010181,
        35.98966779862092
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:20.312915+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4082_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4082_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4082_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            494,
            246
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            440754.5,
            0.0,
            -1.0,
            3983000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 1.366,
                "maximum": 9.187,
                "mean": 4.202,
                "stddev": 1.162
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4083_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.65939921092937,
              35.98962352618529
            ],
            [
              -75.65939921092937,
              35.9986831615489
            ],
            [
              -75.65453176646957,
              35.9986831615489
            ],
            [
              -75.65453176646957,
              35.98962352618529
            ],
            [
              -75.65939921092937,
              35.98962352618529
            ]
          ]
        ]
      },
      "bbox": [
        -75.65939921092937,
        35.98962352618529,
        -75.65453176646957,
        35.9986831615489
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:20.400458+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4083_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4083_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4083_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            432
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            440568.5,
            0.0,
            -1.0,
            3984000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 2.321,
                "maximum": 7.43,
                "mean": 3.678,
                "stddev": 0.473
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4084_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.66248121609544,
              35.998622315558364
            ],
            [
              -75.66248121609544,
              36.00769845020135
            ],
            [
              -75.65461734977617,
              36.00769845020135
            ],
            [
              -75.65461734977617,
              35.998622315558364
            ],
            [
              -75.66248121609544,
              35.998622315558364
            ]
          ]
        ]
      },
      "bbox": [
        -75.66248121609544,
        35.998622315558364,
        -75.65461734977617,
        36.00769845020135
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:20.516526+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4084_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4084_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4084_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            702
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            440297.5,
            0.0,
            -1.0,
            3985000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 1.148,
                "maximum": 6.895,
                "mean": 3.081,
                "stddev": 0.506
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4100_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.64850885135527,
              35.2413268692688
            ],
            [
              -75.64850885135527,
              35.24436984209207
            ],
            [
              -75.63747272765866,
              35.24436984209207
            ],
            [
              -75.63747272765866,
              35.2413268692688
            ],
            [
              -75.64850885135527,
              35.2413268692688
            ]
          ]
        ]
      },
      "bbox": [
        -75.64850885135527,
        35.2413268692688,
        -75.63747272765866,
        35.24436984209207
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:20.589497+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4100_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4100_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4100_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            331,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            440998.5,
            0.0,
            -1.0,
            3900329.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.705,
                "maximum": -0.43,
                "mean": -2.171,
                "stddev": 0.53
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4087_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.66600142384408,
              36.02564989787841
            ],
            [
              -75.66600142384408,
              36.031739559086105
            ],
            [
              -75.66191060005096,
              36.031739559086105
            ],
            [
              -75.66191060005096,
              36.02564989787841
            ],
            [
              -75.66600142384408,
              36.02564989787841
            ]
          ]
        ]
      },
      "bbox": [
        -75.66600142384408,
        36.02564989787841,
        -75.66191060005096,
        36.031739559086105
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:20.678979+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4087_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4087_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4087_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            673,
            364
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            439998.5,
            0.0,
            -1.0,
            3987671.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.395,
                "maximum": 7.398,
                "mean": 3.087,
                "stddev": 1.035
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4086_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.66595050645701,
              36.0166345961956
            ],
            [
              -75.66595050645701,
              36.02572061284655
            ],
            [
              -75.656320007635,
              36.02572061284655
            ],
            [
              -75.656320007635,
              36.0166345961956
            ],
            [
              -75.66595050645701,
              36.0166345961956
            ]
          ]
        ]
      },
      "bbox": [
        -75.66595050645701,
        36.0166345961956,
        -75.656320007635,
        36.02572061284655
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:20.776483+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4086_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4086_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4086_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            861
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            439998.5,
            0.0,
            -1.0,
            3987000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.329,
                "maximum": 9.158,
                "mean": 2.89,
                "stddev": 1.199
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4085_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.66587465177248,
              36.00761928079343
            ],
            [
              -75.66587465177248,
              36.016713846267386
            ],
            [
              -75.65468077724974,
              36.016713846267386
            ],
            [
              -75.65468077724974,
              36.00761928079343
            ],
            [
              -75.66587465177248,
              36.00761928079343
            ]
          ]
        ]
      },
      "bbox": [
        -75.66587465177248,
        36.00761928079343,
        -75.65468077724974,
        36.016713846267386
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:20.900869+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4085_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4085_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4085_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            439998.5,
            0.0,
            -1.0,
            3986000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.573,
                "maximum": 8.816,
                "mean": 2.76,
                "stddev": 0.809
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4180_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.64678591202473,
              35.965322354284
            ],
            [
              -75.64678591202473,
              35.97169700251805
            ],
            [
              -75.64324077910618,
              35.97169700251805
            ],
            [
              -75.64324077910618,
              35.965322354284
            ],
            [
              -75.64678591202473,
              35.965322354284
            ]
          ]
        ]
      },
      "bbox": [
        -75.64678591202473,
        35.965322354284,
        -75.64324077910618,
        35.97169700251805
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:20.991742+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4180_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4180_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4180_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            705,
            315
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            441685.5,
            0.0,
            -1.0,
            3981000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 1.006,
                "maximum": 16.63,
                "mean": 4.433,
                "stddev": 3.527
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4181_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.6520172313312,
              35.97163228236769
            ],
            [
              -75.6520172313312,
              35.980712412597796
            ],
            [
              -75.6432921922393,
              35.980712412597796
            ],
            [
              -75.6432921922393,
              35.97163228236769
            ],
            [
              -75.6520172313312,
              35.97163228236769
            ]
          ]
        ]
      },
      "bbox": [
        -75.6520172313312,
        35.97163228236769,
        -75.6432921922393,
        35.980712412597796
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:21.187168+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4181_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4181_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4181_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            780
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            441220.5,
            0.0,
            -1.0,
            3982000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 1.271,
                "maximum": 23.614,
                "mean": 8.261,
                "stddev": 4.889
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4182_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.65455410182349,
              35.98063427020686
            ],
            [
              -75.65455410182349,
              35.98972780897285
            ],
            [
              -75.64336535380859,
              35.98972780897285
            ],
            [
              -75.64336535380859,
              35.98063427020686
            ],
            [
              -75.65455410182349,
              35.98063427020686
            ]
          ]
        ]
      },
      "bbox": [
        -75.65455410182349,
        35.98063427020686,
        -75.64336535380859,
        35.98972780897285
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:21.296075+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4182_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4182_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4182_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            440998.5,
            0.0,
            -1.0,
            3983000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.388,
                "maximum": 16.397,
                "mean": 3.75,
                "stddev": 1.646
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4185_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.6547532914345,
              36.00768035895215
            ],
            [
              -75.6547532914345,
              36.0137846829399
            ],
            [
              -75.65121890876108,
              36.0137846829399
            ],
            [
              -75.65121890876108,
              36.00768035895215
            ],
            [
              -75.6547532914345,
              36.00768035895215
            ]
          ]
        ]
      },
      "bbox": [
        -75.6547532914345,
        36.00768035895215,
        -75.65121890876108,
        36.0137846829399
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:21.497926+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4185_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4185_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4185_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            675,
            314
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            440998.5,
            0.0,
            -1.0,
            3985673.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.233,
                "maximum": 11.075,
                "mean": 3.808,
                "stddev": 1.764
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4184_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.65470311778613,
              35.998665009748585
            ],
            [
              -75.65470311778613,
              36.00774525840435
            ],
            [
              -75.64598584654287,
              36.00774525840435
            ],
            [
              -75.64598584654287,
              35.998665009748585
            ],
            [
              -75.65470311778613,
              35.998665009748585
            ]
          ]
        ]
      },
      "bbox": [
        -75.65470311778613,
        35.998665009748585,
        -75.64598584654287,
        36.00774525840435
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:21.555888+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4184_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4184_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4184_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            779
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            440998.5,
            0.0,
            -1.0,
            3985000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.708,
                "maximum": 10.276,
                "mean": 2.933,
                "stddev": 1.33
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4183_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.65462859325639,
              35.98964964683301
            ],
            [
              -75.65462859325639,
              35.99874319164174
            ],
            [
              -75.64343854788346,
              35.99874319164174
            ],
            [
              -75.64343854788346,
              35.98964964683301
            ],
            [
              -75.65462859325639,
              35.98964964683301
            ]
          ]
        ]
      },
      "bbox": [
        -75.65462859325639,
        35.98964964683301,
        -75.64343854788346,
        35.99874319164174
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:21.638005+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4183_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4183_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4183_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            440998.5,
            0.0,
            -1.0,
            3984000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.115,
                "maximum": 11.238,
                "mean": 3.05,
                "stddev": 0.911
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4278_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.63672604294528,
              35.9453430400979
            ],
            [
              -75.63672604294528,
              35.95372504838825
            ],
            [
              -75.63199133846312,
              35.95372504838825
            ],
            [
              -75.63199133846312,
              35.9453430400979
            ],
            [
              -75.63672604294528,
              35.9453430400979
            ]
          ]
        ]
      },
      "bbox": [
        -75.63672604294528,
        35.9453430400979,
        -75.63199133846312,
        35.95372504838825
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:21.860720+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4278_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4278_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4278_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            927,
            421
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            442579.5,
            0.0,
            -1.0,
            3979000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.246,
                "maximum": 9.491,
                "mean": -0.309,
                "stddev": 1.037
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4200_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.63753013511797,
              35.2413852582447
            ],
            [
              -75.63753013511797,
              35.245969065046225
            ],
            [
              -75.62648231411114,
              35.245969065046225
            ],
            [
              -75.62648231411114,
              35.2413852582447
            ],
            [
              -75.63753013511797,
              35.2413852582447
            ]
          ]
        ]
      },
      "bbox": [
        -75.63753013511797,
        35.2413852582447,
        -75.62648231411114,
        35.245969065046225
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:21.956736+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4200_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4200_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4200_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            502,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            441998.5,
            0.0,
            -1.0,
            3900500.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.209,
                "maximum": -0.209,
                "mean": -1.109,
                "stddev": 0.407
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4279_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.64185520629196,
              35.953655411180634
            ],
            [
              -75.64185520629196,
              35.96274050525933
            ],
            [
              -75.63205775889718,
              35.96274050525933
            ],
            [
              -75.63205775889718,
              35.953655411180634
            ],
            [
              -75.64185520629196,
              35.953655411180634
            ]
          ]
        ]
      },
      "bbox": [
        -75.64185520629196,
        35.953655411180634,
        -75.63205775889718,
        35.96274050525933
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:22.041153+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4279_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4279_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4279_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            877
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            442123.5,
            0.0,
            -1.0,
            3980000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.872,
                "maximum": 20.008,
                "mean": 5.578,
                "stddev": 4.929
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4283_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.64350276389088,
              35.98970965919674
            ],
            [
              -75.64350276389088,
              35.99490720790643
            ],
            [
              -75.63921202301628,
              35.99490720790643
            ],
            [
              -75.63921202301628,
              35.98970965919674
            ],
            [
              -75.64350276389088,
              35.98970965919674
            ]
          ]
        ]
      },
      "bbox": [
        -75.64350276389088,
        35.98970965919674,
        -75.63921202301628,
        35.99490720790643
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:22.124539+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4283_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4283_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4283_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            574,
            383
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            441998.5,
            0.0,
            -1.0,
            3983572.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.336,
                "maximum": 9.27,
                "mean": 1.126,
                "stddev": 3.233
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4300_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.6265347412096,
              35.24144264932057
            ],
            [
              -75.6265347412096,
              35.24545742274516
            ],
            [
              -75.6154918697671,
              35.24545742274516
            ],
            [
              -75.6154918697671,
              35.24144264932057
            ],
            [
              -75.6265347412096,
              35.24144264932057
            ]
          ]
        ]
      },
      "bbox": [
        -75.6265347412096,
        35.24144264932057,
        -75.6154918697671,
        35.24545742274516
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:22.194950+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4300_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4300_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4300_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            439,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            442998.5,
            0.0,
            -1.0,
            3900437.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.517,
                "maximum": 2.516,
                "mean": -0.097,
                "stddev": 0.753
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4282_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.64346088077906,
              35.98069426283342
            ],
            [
              -75.64346088077906,
              35.98977965247901
            ],
            [
              -75.63362658883308,
              35.98977965247901
            ],
            [
              -75.63362658883308,
              35.98069426283342
            ],
            [
              -75.64346088077906,
              35.98069426283342
            ]
          ]
        ]
      },
      "bbox": [
        -75.64346088077906,
        35.98069426283342,
        -75.63362658883308,
        35.98977965247901
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:22.308648+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4282_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4282_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4282_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            880
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            441998.5,
            0.0,
            -1.0,
            3983000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.403,
                "maximum": 9.56,
                "mean": 1.966,
                "stddev": 2.377
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4281_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.64338768411577,
              35.971678852765386
            ],
            [
              -75.64338768411577,
              35.98077137790754
            ],
            [
              -75.63220146397528,
              35.98077137790754
            ],
            [
              -75.63220146397528,
              35.971678852765386
            ],
            [
              -75.64338768411577,
              35.971678852765386
            ]
          ]
        ]
      },
      "bbox": [
        -75.64338768411577,
        35.971678852765386,
        -75.63220146397528,
        35.98077137790754
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:22.476177+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4281_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4281_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4281_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            441998.5,
            0.0,
            -1.0,
            3982000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.442,
                "maximum": 16.12,
                "mean": 3.303,
                "stddev": 2.177
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4280_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.64331451995922,
              35.96266342899406
            ],
            [
              -75.64331451995922,
              35.97175594843291
            ],
            [
              -75.63212959547796,
              35.97175594843291
            ],
            [
              -75.63212959547796,
              35.96266342899406
            ],
            [
              -75.64331451995922,
              35.96266342899406
            ]
          ]
        ]
      },
      "bbox": [
        -75.64331451995922,
        35.96266342899406,
        -75.63212959547796,
        35.97175594843291
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:22.535086+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4280_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4280_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4280_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            441998.5,
            0.0,
            -1.0,
            3981000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.849,
                "maximum": 19.905,
                "mean": 5.376,
                "stddev": 3.581
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4375_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.62144535639747,
              35.9255428167671
            ],
            [
              -75.62144535639747,
              35.92673636400224
            ],
            [
              -75.62075990157885,
              35.92673636400224
            ],
            [
              -75.62075990157885,
              35.9255428167671
            ],
            [
              -75.62144535639747,
              35.9255428167671
            ]
          ]
        ]
      },
      "bbox": [
        -75.62144535639747,
        35.9255428167671,
        -75.62075990157885,
        35.92673636400224
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:22.592210+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4375_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4375_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4375_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            132,
            61
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            443938.5,
            0.0,
            -1.0,
            3976000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.123,
                "maximum": -0.471,
                "mean": -0.871,
                "stddev": 0.154
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4376_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.62652666717547,
              35.926688795684306
            ],
            [
              -75.62652666717547,
              35.935751938308165
            ],
            [
              -75.62075797769728,
              35.935751938308165
            ],
            [
              -75.62075797769728,
              35.926688795684306
            ],
            [
              -75.62652666717547,
              35.926688795684306
            ]
          ]
        ]
      },
      "bbox": [
        -75.62652666717547,
        35.926688795684306,
        -75.62075797769728,
        35.935751938308165
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:22.649955+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4376_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4376_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4376_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            514
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            443486.5,
            0.0,
            -1.0,
            3977000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.599,
                "maximum": 3.679,
                "mean": -0.808,
                "stddev": 0.376
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4381_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.63227785732634,
              35.97173780069141
            ],
            [
              -75.63227785732634,
              35.97855850156555
            ],
            [
              -75.62783170823938,
              35.97855850156555
            ],
            [
              -75.62783170823938,
              35.97173780069141
            ],
            [
              -75.63227785732634,
              35.97173780069141
            ]
          ]
        ]
      },
      "bbox": [
        -75.63227785732634,
        35.97173780069141,
        -75.62783170823938,
        35.97855850156555
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:22.768334+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4381_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4381_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4381_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            754,
            396
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            442998.5,
            0.0,
            -1.0,
            3981752.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.476,
                "maximum": 8.219,
                "mean": -0.878,
                "stddev": 2.492
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4380_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.63222378923788,
              35.96272235752887
            ],
            [
              -75.63222378923788,
              35.97180547681255
            ],
            [
              -75.62265916478815,
              35.97180547681255
            ],
            [
              -75.62265916478815,
              35.96272235752887
            ],
            [
              -75.63222378923788,
              35.96272235752887
            ]
          ]
        ]
      },
      "bbox": [
        -75.63222378923788,
        35.96272235752887,
        -75.62265916478815,
        35.97180547681255
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:22.842520+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4380_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4380_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4380_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            856
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            442998.5,
            0.0,
            -1.0,
            3981000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.528,
                "maximum": 9.85,
                "mean": 1.463,
                "stddev": 2.313
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4378_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.63208007899088,
              35.94469143011272
            ],
            [
              -75.63208007899088,
              35.953782931222605
            ],
            [
              -75.62089897413085,
              35.953782931222605
            ],
            [
              -75.62089897413085,
              35.94469143011272
            ],
            [
              -75.63208007899088,
              35.94469143011272
            ]
          ]
        ]
      },
      "bbox": [
        -75.63208007899088,
        35.94469143011272,
        -75.62089897413085,
        35.953782931222605
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:22.923367+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4378_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4378_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4378_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            442998.5,
            0.0,
            -1.0,
            3979000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.329,
                "maximum": 12.731,
                "mean": 2.59,
                "stddev": 2.341
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4377_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.63142066245005,
              35.93567903742871
            ],
            [
              -75.63142066245005,
              35.94476744161058
            ],
            [
              -75.62082846025687,
              35.94476744161058
            ],
            [
              -75.62082846025687,
              35.93567903742871
            ],
            [
              -75.63142066245005,
              35.93567903742871
            ]
          ]
        ]
      },
      "bbox": [
        -75.63142066245005,
        35.93567903742871,
        -75.62082846025687,
        35.94476744161058
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:23.006736+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4377_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4377_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4377_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            949
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            443051.5,
            0.0,
            -1.0,
            3978000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.554,
                "maximum": 6.16,
                "mean": 0.403,
                "stddev": 1.507
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4379_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.63215191815556,
              35.95370690066883
            ],
            [
              -75.63215191815556,
              35.96279840714283
            ],
            [
              -75.62096951933334,
              35.96279840714283
            ],
            [
              -75.62096951933334,
              35.95370690066883
            ],
            [
              -75.63215191815556,
              35.95370690066883
            ]
          ]
        ]
      },
      "bbox": [
        -75.63215191815556,
        35.95370690066883,
        -75.62096951933334,
        35.96279840714283
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:23.126190+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4379_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4379_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4379_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            442998.5,
            0.0,
            -1.0,
            3980000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.459,
                "maximum": 16.664,
                "mean": 3.642,
                "stddev": 3.521
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4400_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.61553708495775,
              35.24149904248728
            ],
            [
              -75.61553708495775,
              35.24462919992038
            ],
            [
              -75.60450139516664,
              35.24462919992038
            ],
            [
              -75.60450139516664,
              35.24149904248728
            ],
            [
              -75.61553708495775,
              35.24149904248728
            ]
          ]
        ]
      },
      "bbox": [
        -75.61553708495775,
        35.24149904248728,
        -75.60450139516664,
        35.24462919992038
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:23.204078+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4400_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4400_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4400_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            341,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            443998.5,
            0.0,
            -1.0,
            3900339.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.09,
                "maximum": 6.149,
                "mean": 0.959,
                "stddev": 0.48
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4473_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.61099808905198,
              35.905500056157734
            ],
            [
              -75.61099808905198,
              35.90876211129666
            ],
            [
              -75.60951030549697,
              35.90876211129666
            ],
            [
              -75.60951030549697,
              35.905500056157734
            ],
            [
              -75.61099808905198,
              35.905500056157734
            ]
          ]
        ]
      },
      "bbox": [
        -75.61099808905198,
        35.905500056157734,
        -75.60951030549697,
        35.90876211129666
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:23.264787+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4473_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4473_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4473_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            361,
            132
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            444868.5,
            0.0,
            -1.0,
            3974000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.524,
                "maximum": 1.4,
                "mean": -0.791,
                "stddev": 0.378
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4474_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.61623220903485,
              35.90871025761344
            ],
            [
              -75.61623220903485,
              35.91777767435277
            ],
            [
              -75.6095351274198,
              35.91777767435277
            ],
            [
              -75.6095351274198,
              35.90871025761344
            ],
            [
              -75.61623220903485,
              35.90871025761344
            ]
          ]
        ]
      },
      "bbox": [
        -75.61623220903485,
        35.90871025761344,
        -75.6095351274198,
        35.91777767435277
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:23.368792+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4474_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4474_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4474_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            598
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            444402.5,
            0.0,
            -1.0,
            3975000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.162,
                "maximum": 1.438,
                "mean": -0.658,
                "stddev": 0.429
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4475_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.62078028759325,
              35.91770274497052
            ],
            [
              -75.62078028759325,
              35.926793223726975
            ],
            [
              -75.60960429013817,
              35.926793223726975
            ],
            [
              -75.60960429013817,
              35.91770274497052
            ],
            [
              -75.62078028759325,
              35.91770274497052
            ]
          ]
        ]
      },
      "bbox": [
        -75.62078028759325,
        35.91770274497052,
        -75.60960429013817,
        35.926793223726975
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:23.427087+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4475_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4475_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4475_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            443998.5,
            0.0,
            -1.0,
            3976000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.469,
                "maximum": 7.202,
                "mean": -0.082,
                "stddev": 1.353
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4477_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.62092128918665,
              35.935733792620006
            ],
            [
              -75.62092128918665,
              35.94482428142396
            ],
            [
              -75.60974270777176,
              35.94482428142396
            ],
            [
              -75.60974270777176,
              35.935733792620006
            ],
            [
              -75.62092128918665,
              35.935733792620006
            ]
          ]
        ]
      },
      "bbox": [
        -75.62092128918665,
        35.935733792620006,
        -75.60974270777176,
        35.94482428142396
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:23.568844+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4477_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4477_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4477_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            443998.5,
            0.0,
            -1.0,
            3978000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.828,
                "maximum": 9.033,
                "mean": 2.616,
                "stddev": 1.526
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4476_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.62085077273218,
              35.926718275639026
            ],
            [
              -75.62085077273218,
              35.93580875941785
            ],
            [
              -75.6096734835842,
              35.93580875941785
            ],
            [
              -75.6096734835842,
              35.926718275639026
            ],
            [
              -75.62085077273218,
              35.926718275639026
            ]
          ]
        ]
      },
      "bbox": [
        -75.62085077273218,
        35.926718275639026,
        -75.6096734835842,
        35.93580875941785
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:23.640328+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4476_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4476_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4476_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            443998.5,
            0.0,
            -1.0,
            3977000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.397,
                "maximum": 9.896,
                "mean": 2.315,
                "stddev": 2.05
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4478_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.62099183697077,
              35.944749295912054
            ],
            [
              -75.62099183697077,
              35.953824765373234
            ],
            [
              -75.6127611107782,
              35.953824765373234
            ],
            [
              -75.6127611107782,
              35.944749295912054
            ],
            [
              -75.62099183697077,
              35.944749295912054
            ]
          ]
        ]
      },
      "bbox": [
        -75.62099183697077,
        35.944749295912054,
        -75.6127611107782,
        35.953824765373234
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:23.753171+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4478_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4478_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4478_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            736
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            443998.5,
            0.0,
            -1.0,
            3979000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.918,
                "maximum": 8.785,
                "mean": 1.832,
                "stddev": 2.063
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4571_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.60081042288823,
              35.88550007008876
            ],
            [
              -75.60081042288823,
              35.89078659463829
            ],
            [
              -75.59828893617421,
              35.89078659463829
            ],
            [
              -75.59828893617421,
              35.88550007008876
            ],
            [
              -75.60081042288823,
              35.88550007008876
            ]
          ]
        ]
      },
      "bbox": [
        -75.60081042288823,
        35.88550007008876,
        -75.59828893617421,
        35.89078659463829
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:23.823788+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4571_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4571_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4571_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            585,
            224
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            445775.5,
            0.0,
            -1.0,
            3972000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.433,
                "maximum": 1.263,
                "mean": 0.365,
                "stddev": 0.615
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4500_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.60453649189846,
              35.241554437735864
            ],
            [
              -75.60453649189846,
              35.24337619546736
            ],
            [
              -75.59351089084987,
              35.24337619546736
            ],
            [
              -75.59351089084987,
              35.241554437735864
            ],
            [
              -75.60453649189846,
              35.241554437735864
            ]
          ]
        ]
      },
      "bbox": [
        -75.60453649189846,
        35.241554437735864,
        -75.59351089084987,
        35.24337619546736
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:23.903624+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4500_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4500_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4500_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            196,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            444998.5,
            0.0,
            -1.0,
            3900194.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.488,
                "maximum": 11.962,
                "mean": 2.451,
                "stddev": 1.952
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4479_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.62104130965378,
              35.953764785513705
            ],
            [
              -75.62104130965378,
              35.96011960786942
            ],
            [
              -75.6177095709146,
              35.96011960786942
            ],
            [
              -75.6177095709146,
              35.953764785513705
            ],
            [
              -75.62104130965378,
              35.953764785513705
            ]
          ]
        ]
      },
      "bbox": [
        -75.62104130965378,
        35.953764785513705,
        -75.6177095709146,
        35.96011960786942
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:24.015289+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4479_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4479_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4479_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            703,
            296
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            443998.5,
            0.0,
            -1.0,
            3979701.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.596,
                "maximum": 3.076,
                "mean": -2.482,
                "stddev": 1.208
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4572_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.60610866792972,
              35.89072989967786
            ],
            [
              -75.60610866792972,
              35.899802258595365
            ],
            [
              -75.59831739721452,
              35.899802258595365
            ],
            [
              -75.59831739721452,
              35.89072989967786
            ],
            [
              -75.60610866792972,
              35.89072989967786
            ]
          ]
        ]
      },
      "bbox": [
        -75.60610866792972,
        35.89072989967786,
        -75.59831739721452,
        35.899802258595365
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:24.096648+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4572_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4572_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4572_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            697
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            445303.5,
            0.0,
            -1.0,
            3973000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.936,
                "maximum": 1.574,
                "mean": 0.088,
                "stddev": 0.72
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4577_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.60978205228938,
              35.935790615739585
            ],
            [
              -75.60978205228938,
              35.93803181186114
            ],
            [
              -75.60871173121893,
              35.93803181186114
            ],
            [
              -75.60871173121893,
              35.935790615739585
            ],
            [
              -75.60978205228938,
              35.935790615739585
            ]
          ]
        ]
      },
      "bbox": [
        -75.60978205228938,
        35.935790615739585,
        -75.60871173121893,
        35.93803181186114
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:24.154291+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4577_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4577_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4577_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            248,
            95
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            444998.5,
            0.0,
            -1.0,
            3977246.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.492,
                "maximum": -0.213,
                "mean": -1.579,
                "stddev": 0.749
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4576_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.60976501779183,
              35.9267750800584
            ],
            [
              -75.60976501779183,
              35.9358414137685
            ],
            [
              -75.60321120929491,
              35.9358414137685
            ],
            [
              -75.60321120929491,
              35.9267750800584
            ],
            [
              -75.60976501779183,
              35.9267750800584
            ]
          ]
        ]
      },
      "bbox": [
        -75.60976501779183,
        35.9267750800584,
        -75.60321120929491,
        35.9358414137685
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:24.231845+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4576_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4576_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4576_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            585
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            444998.5,
            0.0,
            -1.0,
            3977000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.9,
                "maximum": 10.194,
                "mean": 1.002,
                "stddev": 2.495
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4573_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.60955742970853,
              35.89972839092058
            ],
            [
              -75.60955742970853,
              35.90881785368231
            ],
            [
              -75.5983852423667,
              35.90881785368231
            ],
            [
              -75.5983852423667,
              35.89972839092058
            ],
            [
              -75.60955742970853,
              35.89972839092058
            ]
          ]
        ]
      },
      "bbox": [
        -75.60955742970853,
        35.89972839092058,
        -75.5983852423667,
        35.90881785368231
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:24.297626+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4573_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4573_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4573_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            444998.5,
            0.0,
            -1.0,
            3974000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.853,
                "maximum": 3.245,
                "mean": 0.209,
                "stddev": 0.881
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4575_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.60969579102601,
              35.91775953069388
            ],
            [
              -75.60969579102601,
              35.92684900282568
            ],
            [
              -75.59852102311066,
              35.92684900282568
            ],
            [
              -75.59852102311066,
              35.91775953069388
            ],
            [
              -75.60969579102601,
              35.91775953069388
            ]
          ]
        ]
      },
      "bbox": [
        -75.60969579102601,
        35.91775953069388,
        -75.59852102311066,
        35.92684900282568
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:24.356103+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4575_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4575_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4575_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            444998.5,
            0.0,
            -1.0,
            3976000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.148,
                "maximum": 9.563,
                "mean": 1.488,
                "stddev": 1.951
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4574_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.60962659500287,
              35.90874396764745
            ],
            [
              -75.60962659500287,
              35.9178334350929
            ],
            [
              -75.5984531176609,
              35.9178334350929
            ],
            [
              -75.5984531176609,
              35.90874396764745
            ],
            [
              -75.60962659500287,
              35.90874396764745
            ]
          ]
        ]
      },
      "bbox": [
        -75.60962659500287,
        35.90874396764745,
        -75.5984531176609,
        35.9178334350929
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:24.549731+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4574_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4574_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4574_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            444998.5,
            0.0,
            -1.0,
            3975000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -2.738,
                "maximum": 9.463,
                "mean": 0.553,
                "stddev": 1.513
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4600_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.59354088724136,
              35.24160883505751
            ],
            [
              -75.59354088724136,
              35.242762367053025
            ],
            [
              -75.58252035735696,
              35.242762367053025
            ],
            [
              -75.58252035735696,
              35.24160883505751
            ],
            [
              -75.59354088724136,
              35.24160883505751
            ]
          ]
        ]
      },
      "bbox": [
        -75.59354088724136,
        35.24160883505751,
        -75.58252035735696,
        35.242762367053025
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:24.674811+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4600_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4600_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4600_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            122,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            445998.5,
            0.0,
            -1.0,
            3900120.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 1.066,
                "maximum": 8.477,
                "mean": 3.111,
                "stddev": 1.45
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4669_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.59047233083542,
              35.86632028996487
            ],
            [
              -75.59047233083542,
              35.87281003899852
            ],
            [
              -75.58705716368786,
              35.87281003899852
            ],
            [
              -75.58705716368786,
              35.86632028996487
            ],
            [
              -75.59047233083542,
              35.86632028996487
            ]
          ]
        ]
      },
      "bbox": [
        -75.59047233083542,
        35.86632028996487,
        -75.58705716368786,
        35.87281003899852
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:24.762772+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4669_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4669_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4669_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            718,
            304
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            446696.5,
            0.0,
            -1.0,
            3970000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.074,
                "maximum": 1.699,
                "mean": 0.63,
                "stddev": 0.306
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4670_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.59575710876291,
              35.87274974477591
            ],
            [
              -75.59575710876291,
              35.88182569310763
            ],
            [
              -75.58710478091588,
              35.88182569310763
            ],
            [
              -75.58710478091588,
              35.87274974477591
            ],
            [
              -75.59575710876291,
              35.87274974477591
            ]
          ]
        ]
      },
      "bbox": [
        -75.59575710876291,
        35.87274974477591,
        -75.58710478091588,
        35.88182569310763
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:24.887821+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4670_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4670_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4670_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            775
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            446225.5,
            0.0,
            -1.0,
            3971000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.532,
                "maximum": 1.352,
                "mean": 0.482,
                "stddev": 0.379
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4673_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.59847541749652,
              35.89978411696376
            ],
            [
              -75.59847541749652,
              35.90886883060613
            ],
            [
              -75.5880690341729,
              35.90886883060613
            ],
            [
              -75.5880690341729,
              35.89978411696376
            ],
            [
              -75.59847541749652,
              35.89978411696376
            ]
          ]
        ]
      },
      "bbox": [
        -75.59847541749652,
        35.89978411696376,
        -75.5880690341729,
        35.90886883060613
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:24.945746+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4673_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4673_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4673_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            933
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            445998.5,
            0.0,
            -1.0,
            3974000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.821,
                "maximum": 9.399,
                "mean": 1.325,
                "stddev": 1.782
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4672_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.5984075396286,
              35.89076850821089
            ],
            [
              -75.5984075396286,
              35.89985696032031
            ],
            [
              -75.58723787018982,
              35.89985696032031
            ],
            [
              -75.58723787018982,
              35.89076850821089
            ],
            [
              -75.5984075396286,
              35.89076850821089
            ]
          ]
        ]
      },
      "bbox": [
        -75.5984075396286,
        35.89076850821089,
        -75.58723787018982,
        35.89985696032031
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:25.060782+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4672_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4672_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4672_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            445998.5,
            0.0,
            -1.0,
            3973000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.632,
                "maximum": 9.029,
                "mean": 1.07,
                "stddev": 1.126
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4671_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.5983396919038,
              35.88175288578455
            ],
            [
              -75.5983396919038,
              35.89084133354872
            ],
            [
              -75.58717131077418,
              35.89084133354872
            ],
            [
              -75.58717131077418,
              35.88175288578455
            ],
            [
              -75.5983396919038,
              35.88175288578455
            ]
          ]
        ]
      },
      "bbox": [
        -75.5983396919038,
        35.88175288578455,
        -75.58717131077418,
        35.89084133354872
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:25.130230+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4671_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4671_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4671_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            445998.5,
            0.0,
            -1.0,
            3972000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.712,
                "maximum": 1.972,
                "mean": 0.715,
                "stddev": 0.312
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4674_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.59854332552116,
              35.908799712041684
            ],
            [
              -75.59854332552116,
              35.91786454230853
            ],
            [
              -75.59218068673728,
              35.91786454230853
            ],
            [
              -75.59218068673728,
              35.908799712041684
            ],
            [
              -75.59854332552116,
              35.908799712041684
            ]
          ]
        ]
      },
      "bbox": [
        -75.59854332552116,
        35.908799712041684,
        -75.59218068673728,
        35.91786454230853
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:25.234077+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4674_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4674_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4674_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            568
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            445998.5,
            0.0,
            -1.0,
            3975000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.267,
                "maximum": 9.175,
                "mean": 0.146,
                "stddev": 2.597
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4763_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.57969899015681,
              35.809715818300695
            ],
            [
              -75.57969899015681,
              35.81262961178005
            ],
            [
              -75.57557162234538,
              35.81262961178005
            ],
            [
              -75.57557162234538,
              35.809715818300695
            ],
            [
              -75.57969899015681,
              35.809715818300695
            ]
          ]
        ]
      },
      "bbox": [
        -75.57969899015681,
        35.809715818300695,
        -75.57557162234538,
        35.81262961178005
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:25.291996+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4763_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4763_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4763_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            321,
            371
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            447629.5,
            0.0,
            -1.0,
            3963319.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.962,
                "maximum": -0.47,
                "mean": -0.707,
                "stddev": 0.055
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4675_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.59855351432671,
              35.917815293443255
            ],
            [
              -75.59855351432671,
              35.91918980179332
            ],
            [
              -75.59771194342933,
              35.91918980179332
            ],
            [
              -75.59771194342933,
              35.917815293443255
            ],
            [
              -75.59855351432671,
              35.917815293443255
            ]
          ]
        ]
      },
      "bbox": [
        -75.59855351432671,
        35.917815293443255,
        -75.59771194342933,
        35.91918980179332
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:25.419023+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4675_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4675_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4675_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            152,
            75
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            445998.5,
            0.0,
            -1.0,
            3975150.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -4.077,
                "maximum": -1.472,
                "mean": -2.697,
                "stddev": 0.676
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4766_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.57822404720667,
              35.84120706579859
            ],
            [
              -75.57822404720667,
              35.8458165681032
            ],
            [
              -75.57579898014028,
              35.8458165681032
            ],
            [
              -75.57579898014028,
              35.84120706579859
            ],
            [
              -75.57822404720667,
              35.84120706579859
            ]
          ]
        ]
      },
      "bbox": [
        -75.57822404720667,
        35.84120706579859,
        -75.57579898014028,
        35.8458165681032
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:25.510015+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4766_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4766_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4766_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            510,
            216
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            447784.5,
            0.0,
            -1.0,
            3967000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.222,
                "maximum": 1.283,
                "mean": 0.823,
                "stddev": 0.152
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4762_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.57908039991716,
              35.8034527363373
            ],
            [
              -75.57908039991716,
              35.80975358050195
            ],
            [
              -75.57552641421462,
              35.80975358050195
            ],
            [
              -75.57552641421462,
              35.8034527363373
            ],
            [
              -75.57908039991716,
              35.8034527363373
            ]
          ]
        ]
      },
      "bbox": [
        -75.57908039991716,
        35.8034527363373,
        -75.57552641421462,
        35.80975358050195
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:25.577093+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4762_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4762_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4762_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            697,
            317
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            447683.5,
            0.0,
            -1.0,
            3963000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.837,
                "maximum": -0.382,
                "mean": -0.594,
                "stddev": 0.047
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4767_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.58321767696272,
              35.84576323896724
            ],
            [
              -75.58321767696272,
              35.854832280861274
            ],
            [
              -75.57583208449113,
              35.854832280861274
            ],
            [
              -75.57583208449113,
              35.84576323896724
            ],
            [
              -75.58321767696272,
              35.84576323896724
            ]
          ]
        ]
      },
      "bbox": [
        -75.58321767696272,
        35.84576323896724,
        -75.57583208449113,
        35.854832280861274
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:25.635913+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4767_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4767_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4767_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            661
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            447339.5,
            0.0,
            -1.0,
            3968000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.039,
                "maximum": 3.745,
                "mean": 0.801,
                "stddev": 0.31
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4768_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.5854988799735,
              35.854768168635076
            ],
            [
              -75.5854988799735,
              35.86384797995956
            ],
            [
              -75.5758972723643,
              35.86384797995956
            ],
            [
              -75.5758972723643,
              35.854768168635076
            ],
            [
              -75.5854988799735,
              35.854768168635076
            ]
          ]
        ]
      },
      "bbox": [
        -75.5854988799735,
        35.854768168635076,
        -75.5758972723643,
        35.86384797995956
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:25.706414+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4768_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4768_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4768_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            861
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            447139.5,
            0.0,
            -1.0,
            3969000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.075,
                "maximum": 1.586,
                "mean": 0.792,
                "stddev": 0.129
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4771_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.58726016242706,
              35.881807553501304
            ],
            [
              -75.58726016242706,
              35.8908822096708
            ],
            [
              -75.57875180469979,
              35.8908822096708
            ],
            [
              -75.57875180469979,
              35.881807553501304
            ],
            [
              -75.58726016242706,
              35.881807553501304
            ]
          ]
        ]
      },
      "bbox": [
        -75.58726016242706,
        35.881807553501304,
        -75.57875180469979,
        35.8908822096708
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:25.765295+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4771_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4771_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4771_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            762
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            446998.5,
            0.0,
            -1.0,
            3972000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.833,
                "maximum": 9.141,
                "mean": 1.016,
                "stddev": 1.853
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4769_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.58712706801353,
              35.86377623163316
            ],
            [
              -75.58712706801353,
              35.87286366539663
            ],
            [
              -75.57596248919819,
              35.87286366539663
            ],
            [
              -75.57596248919819,
              35.86377623163316
            ],
            [
              -75.58712706801353,
              35.86377623163316
            ]
          ]
        ]
      },
      "bbox": [
        -75.58712706801353,
        35.86377623163316,
        -75.57596248919819,
        35.87286366539663
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:25.854506+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4769_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4769_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4769_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            446998.5,
            0.0,
            -1.0,
            3970000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -0.603,
                "maximum": 7.682,
                "mean": 0.748,
                "stddev": 0.443
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4770_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.58719360044104,
              35.87279189940053
            ],
            [
              -75.58719360044104,
              35.88187933717103
            ],
            [
              -75.57602773500582,
              35.88187933717103
            ],
            [
              -75.57602773500582,
              35.87279189940053
            ],
            [
              -75.58719360044104,
              35.87279189940053
            ]
          ]
        ]
      },
      "bbox": [
        -75.58719360044104,
        35.87279189940053,
        -75.57602773500582,
        35.88187933717103
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:25.984354+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4770_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4770_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4770_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            1002
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            446998.5,
            0.0,
            -1.0,
            3971000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.364,
                "maximum": 8.322,
                "mean": 1.049,
                "stddev": 1.091
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4772_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.58731569773869,
              35.89082319393405
            ],
            [
              -75.58731569773869,
              35.898381207481336
            ],
            [
              -75.58296116481766,
              35.898381207481336
            ],
            [
              -75.58296116481766,
              35.89082319393405
            ],
            [
              -75.58731569773869,
              35.89082319393405
            ]
          ]
        ]
      },
      "bbox": [
        -75.58731569773869,
        35.89082319393405,
        -75.58296116481766,
        35.898381207481336
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:26.103449+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4772_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4772_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4772_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            836,
            388
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            446998.5,
            0.0,
            -1.0,
            3972834.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -3.8,
                "maximum": 7.971,
                "mean": -0.083,
                "stddev": 2.396
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4864_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.5679966448145,
              35.81878796500035
            ],
            [
              -75.5679966448145,
              35.82783762010672
            ],
            [
              -75.56456713837616,
              35.82783762010672
            ],
            [
              -75.56456713837616,
              35.81878796500035
            ],
            [
              -75.5679966448145,
              35.81878796500035
            ]
          ]
        ]
      },
      "bbox": [
        -75.5679966448145,
        35.81878796500035,
        -75.56456713837616,
        35.82783762010672
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:26.204459+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4864_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4864_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4864_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            304
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            448696.5,
            0.0,
            -1.0,
            3965000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": 0.219,
                "maximum": 2.15,
                "mean": 0.861,
                "stddev": 0.232
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4860_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.5690456618813,
              35.78353903467864
            ],
            [
              -75.5690456618813,
              35.79177445407343
            ],
            [
              -75.56431782325436,
              35.79177445407343
            ],
            [
              -75.56431782325436,
              35.78353903467864
            ],
            [
              -75.5690456618813,
              35.78353903467864
            ]
          ]
        ]
      },
      "bbox": [
        -75.5690456618813,
        35.78353903467864,
        -75.56431782325436,
        35.79177445407343
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:26.338613+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4860_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4860_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4860_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            911,
            422
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
                  "name": "False easting",
                  "value": 500000,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8806
                  }
                },
                {
                  "name": "False northing",
                  "value": 0,
                  "unit": "metre",
                  "id": {
                    "authority": "EPSG",
                    "code": 8807
                  }
                }
              ]
            },
            "coordinate_system": {
              "subtype": "Cartesian",
              "axis": [
                {
                  "name": "Easting",
                  "abbreviation": "E",
                  "direction": "east",
                  "unit": "metre"
                },
                {
                  "name": "Northing",
                  "abbreviation": "N",
                  "direction": "north",
                  "unit": "metre"
                }
              ]
            },
            "scope": "Engineering survey, topographic mapping.",
            "area": "United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.",
            "bbox": {
              "south_latitude": 28.28,
              "west_longitude": -78,
              "north_latitude": 45.03,
              "east_longitude": -72
            },
            "id": {
              "authority": "EPSG",
              "code": 6347
            }
          },
          "proj:transform": [
            1.0,
            0.0,
            448578.5,
            0.0,
            -1.0,
            3961000.5
          ],
          "raster:bands": [
            {
              "data_type": "float32",
              "stats": {
                "minimum": -1.161,
                "maximum": -0.056,
                "mean": -0.42,
                "stddev": 0.23
              },
              "nodata": -3.4028235e+38,
              "unit": "metre"
            }
          ],
          "eo:bands": [
            {
              "name": "b1",
              "description": "gray"
            }
          ]
        }
      }
    },
    {
      "type": "Feature",
      "stac_version": "1.1.0",
      "stac_extensions": [
        "https://stac-extensions.github.io/raster/v1.1.0/schema.json",
        "https://stac-extensions.github.io/eo/v1.1.0/schema.json",
        "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
      ],
      "id": "2019_NCMP_NC_Dunex_18SVE4861_BareEarth_1mGrid",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -75.57404585928033,
              35.791710954815414
            ],
            [
              -75.57404585928033,
              35.800790266054115
            ],
            [
              -75.56437576044625,
              35.800790266054115
            ],
            [
              -75.56437576044625,
              35.791710954815414
            ],
            [
              -75.57404585928033,
              35.791710954815414
            ]
          ]
        ]
      },
      "bbox": [
        -75.57404585928033,
        35.791710954815414,
        -75.56437576044625,
        35.800790266054115
      ],
      "properties": {
        "start_datetime": "2019-09-26T00:00:00+00:00",
        "end_datetime": "2019-10-19T00:00:00+00:00",
        "created": "2026-03-19 03:48:26.411873+00:00",
        "license": "NLPL",
        "datetime": "2019-09-26T00:00:00Z"
      },
      "links": [
        {
          "rel": "self",
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/stac/nc/2019_NCMP_NC_Dunex_18SVE4861_BareEarth_1mGrid.json",
          "type": "application/json"
        }
      ],
      "assets": {
        "2019_NCMP_NC_Dunex_18SVE4861_BareEarth_1mGrid": {
          "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/dem/USACE_NC_DUNEX_DEM_2019_9133/nc/2019_NCMP_NC_Dunex_18SVE4861_BareEarth_1mGrid.tif",
          "type": "image/tiff; application=geotiff; profile=cloud-optimized",
          "proj:shape": [
            1002,
            868
          ],
          "proj:wkt2": "PROJCRS[\"NAD83(2011) / UTM zone 18N\",\n    BASEGEOGCRS[\"NAD83(2011)\",\n        DATUM[\"NAD83 (National Spatial Reference System 2011)\",\n            ELLIPSOID[\"GRS 1980\",6378137,298.257222101,\n                LENGTHUNIT[\"metre\",1]],\n            ANCHOREPOCH[2010]],\n        PRIMEM[\"Greenwich\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433]],\n        ID[\"EPSG\",6318]],\n    CONVERSION[\"UTM zone 18N\",\n        METHOD[\"Transverse Mercator\",\n            ID[\"EPSG\",9807]],\n        PARAMETER[\"Latitude of natural origin\",0,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8801]],\n        PARAMETER[\"Longitude of natural origin\",-75,\n            ANGLEUNIT[\"degree\",0.0174532925199433],\n            ID[\"EPSG\",8802]],\n        PARAMETER[\"Scale factor at natural origin\",0.9996,\n            SCALEUNIT[\"unity\",1],\n            ID[\"EPSG\",8805]],\n        PARAMETER[\"False easting\",500000,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8806]],\n        PARAMETER[\"False northing\",0,\n            LENGTHUNIT[\"metre\",1],\n            ID[\"EPSG\",8807]]],\n    CS[Cartesian,2],\n        AXIS[\"(E)\",east,\n            ORDER[1],\n            LENGTHUNIT[\"metre\",1]],\n        AXIS[\"(N)\",north,\n            ORDER[2],\n            LENGTHUNIT[\"metre\",1]],\n    USAGE[\n        SCOPE[\"Engineering survey, topographic mapping.\"],\n        AREA[\"United States (USA) - between 78\u00b0W and 72\u00b0W onshore and offshore - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont.\"],\n        BBOX[28.28,-78,45.03,-72]],\n    ID[\"EPSG\",6347]]",
          "proj:epsg": 6347,
          "proj:projjson": {
            "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
            "type": "ProjectedCRS",
            "name": "NAD83(2011) / UTM zone 18N",
            "base_crs": {
              "type": "GeographicCRS",
              "name": "NAD83(2011)",
              "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (National Spatial Reference System 2011)",
                "anchor_epoch": 2010,
                "ellipsoid": {
                  "name": "GRS 1980",
                  "semi_major_axis": 6378137,
                  "inverse_flattening": 298.257222101
                }
              },
              "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                  {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                  },
                  {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                  }
                ]
              },
              "id": {
                "authority": "EPSG",
                "code": 6318
              }
            },
            "conversion": {
              "name": "UTM zone 18N",
              "method": {
                "name": "Transverse Mercator",
                "id": {
                  "authority": "EPSG",
                  "code": 9807
                }
              },
              "parameters": [
                {
                  "name": "Latitude of natural origin",
                  "value": 0,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8801
                  }
                },
                {
                  "name": "Longitude of natural origin",
                  "value": -75,
                  "unit": "degree",
                  "id": {
                    "authority": "EPSG",
                    "code": 8802
                  }
                },
                {
                  "name": "Scale factor at natural origin",
                  "value": 0.9996,
                  "unit": "unity",
                  "id": {
                    "authority": "EPSG",
                    "code": 8805
                  }
                },
                {
         